"Being an adult is being excited about the new…

Costco is a chain of membership-only big-box warehouse club retail stores. Many people buy in buy in bulk at Costco, and it’s a favorite of families. A joke is that you know you’re an adult when you get excited about a new Costco opening up near you.

“You know you’re getting older when you get excited about a new Costco opening close to home” was posted on X/Twitter by Caprice on September 25, 2012. “Damn you know you’re an adult when you get excited about a new Costco” was posted on X/Twitter by Bit Cloud on January 12, 2021. “I think being excited about a new Costco close to my house means I’m old” was posted on X/Twitter by Penn Hollyer on July 21, 2021. “Being an adult is being excited about the new Costco that opened near your home” was posted on X/Twitter by Ben Eisenhart on July 21, 2024.

“One day, you’re partying until the morning hours and then suddenly you’re excited about the new Costco that’s so much closer than the other one” was posted on X/Twitter by Vaughan Dugan on August 13, 2019. “One day, you’re out partying until all hours and then, suddenly, you’re excited about the new Costco that’s so much closer than the other one” was posted on Bluesky by Northern Lights TO on March 16, 2025.

Wikipedia: Costco
Costco Wholesale Corporation is an American multinational corporation which operates a chain of membership-only big-box warehouse club retail stores. As of 2021, Costco is the third-largest retailer in the world. As of August 2024, Costco is the world’s largest retailer of beef, poultry, organic produce, and wine, and just under one-third of American consumers regularly shop at Costco warehouses.

X/Twitter
Caprice
@classicaprice89
You know you’re getting older when you get excited about a new Costco opening close to home
Getting my #membership ASAP!
10:55 AM · Sep 25, 2012

X/Twitter
Lynzi Alana
@LynziAlana
I think I might be getting a little too excited about the new Costco opening near work #mummyblog #saddo
2:14 PM · May 31, 2013

X/Twitter
Sam Coffaro
@sam_coffaro
You know you’re getting old when you get excited about a new costco membership. #adulting
11:36 PM · Sep 9, 2015

X/Twitter
Donatra
@groeblbubble
You know you’re adulting hard core when you get excited about the new Costco coupons. #diapersonsale
8:08 AM · Feb 28, 2016

X/Twitter
mikaela©
@mikaelamintz
my mom is too excited about the new Costco
1:14 PM · Mar 5, 2016 from Hightstown, NJ

X/Twitter
Patrick
@patric650
Adulting sometimes means getting excited about a new Costco Citibank Visa.
8:02 PM · Jul 16, 2016

X/Twitter
Patrick Kolencherry
@kolencherry
I am unreasonably excited about the new Costco that opened up down the road. Is this what being an adult is like? 🤔
11:24 AM · Jul 28, 2018

Facebook
Chloe Koast
November 8, 2018 at 3:20 AM ·
‪Do you become an adult when you’re more excited about Costco opening up a new store in Henderson than anything else? 🤔 #Adulting #LetsGoShopping ‬

Facebook
Red Door Florist
July 17, 2019 at 1:16 PM ·
Ok… I HAD to share this as a fellow lover of Costco! And I’m sooooo freakin excited about a brand new local Costco opening this week!!! (This is how you know you’re an adult)

X/Twitter
Vaughan Dugan
@VaughanDugan
One day, you’re partying until the morning hours and then suddenly you’re excited about the new Costco that’s so much closer than the other one.
7:44 AM · Aug 13, 2019 from Boca Raton, FL

X/Twitter
Lauren Kreidler
@WeatherWithLaur
You know you’re adulting when you get excited about the new Costco gas station opening up…
5:41 PM · Sep 23, 2020

X/Twitter
Bit Cloud
@Mee_Guel
Damn you know you’re an adult when you get excited about a new Costco.
5:27 PM · Jan 12, 2021

X/Twitter
Penn Hollyer
@PennHollyer
I think being excited about a new Costco close to my house means I’m old
7:40 PM · Jul 21, 2021

Facebook
Rich Blanchard is with Victoria Anne.
February 18, 2023 at 1:49 PM ·
You know you’re an adult when you get excited about a brand new Costco opening 5 minutes from your house 🤣😂

X/Twitter
Ben Eisenhart
@BEisenhart
Being an adult is being excited about the new Costco that opened near your home.
12:07 PM · Jul 21, 2024

Bluesky
Northern Lights TO
‪@northernlightsto.bsky.social‬
One day, you’re out partying until all hours and then, suddenly, you’re excited about the new Costco that’s so much closer than the other one.
March 16, 2025 at 11:08 AM