"She made French toast and got her tongue caught in…

French toast has nothing to do with French kissing, but New York-based stand-up comedian Rodney Dangerfield (1921-2004) said on The Tonight Show starring Johnny Carson in 1980:

“She was a wild girl. Very wild. You kiddin’? She made me French toast. Her tongue got caught in the toaster.”

Dangerfield’s French toast joke has been included in several quotations collections.

Wikipedia: Rodney Dangerfield
Rodney Dangerfield (born Jacob Cohen, November 22, 1921 – October 5, 2004) was an American stand-up comedian, actor, producer and screenwriter known for the catchphrase “I don’t get no respect!” and his monologues on that theme. He is also remembered for his 1980s film roles, especially in Easy Money, Caddyshack, and Back to School.

Google Books
Was It Good for You, Too?:
Quotations on Love and Sex
By Bob Chieger
New York, NY: Atheneum
1983
Pg. 79:
When she made French toast, her tongue got caught in the toaster.
Rodney Dangerfield
“The Tonight Show,” NBC-TV, 1980

30 December 1985, Sun Sentinel (Fort Lauderdale, FL), “Rodney Rolls Out Laughs” by Jim Presnell, pg. 1-C:
Dangerfield told of a recent trip to Paris, and a rather wild French woman he had fooled around with. “She made me French toast and her tongue got stuck in the toaster,” went one of the less risque jokes.

Google Books
The Third and Possibly the Best 637 Best Things Anybody Ever Said
Selected and edited by Robert Byrne
New York, NY: Ballantin
1987, ©1986
Pg. ?:
96
She was so wild that when she made French toast she got her tongue caught in the toaster.
Rodney Dangerfield

Google Books
The Mammoth Book of One-Liners
Edited by Geoff Tibballs
London, UK: Constable & Robinson Ltd
2012
Pg. ?:
She made French toast and got her tongue caught in the toaster. Rodney Dangerfield

YouTube
Rodney Dangerfield Carson Tonight Show 1980
Alchay Archilochus
Published on May 15, 2016
6:40
“She was a wild girl. Very wild. You kiddin’? She made me French toast. Her tongue got caught in the toaster.”

Twitter
Rodney Dangerfield‏
@DangerfieldSez
“I once went out with a wild girl. She made French toast & got her tongue caught in the toaster.” ~Rodney Dangerfield #funny #quotes
8:32 PM - 16 Aug 2016

Twitter
Mark Menagh‏
@KoruFresh
“She was so wild that when she made French toast she got her tongue caught in the toaster.” Rodney Dangerfield
3:40 PM - 20 May 2017

“She made French toast and got her tongue caught in the toaster”