A “drill” (an exercise, such as a fire drill) should not be confused with a “drill” (a tool primarily used for making round holes or driving fasteners), but there are jokes. “A fireman runs into a school clutching a screwdriver and shouts, ‘This is not a drill!’” was posted on Twitter by Lauren Emily on March 1, 2012.
   
“A Firefighter ran into a school holding a screwdriver and yelled… Quick, everyone get out, this is NOT a drill!” was posted on Reddit—Dadjokes on December 15, 2019.
   
   
Twitter 
Lauren Emily
@finchbum
#HUUvotes A fireman ran in to a school holding a screwdriver and shouts ‘this is not a drill’! x
5:15 PM · Mar 1, 2012·Twitter for Android
   
Twitter
johnny hero
@herobelfast
A fireman runs into a school clutching a screwdriver and shouts, “This is not a drill!”
3:31 PM · Mar 2, 2012·Twitter for BlackBerry®
     
Twitter 
Scarlett
@s_poppyb
@heyitscraighook a fireman walks into a school with a screw driver. this is not a drill
2:20 PM · May 9, 2012·Twitter for iPhone
   
Twitter
Trey Wallace
@Treywallace77
one day i would like to run through school holding a screw driver during a fire drill screaming this is not a drill ! ! !
1:24 AM · Aug 2, 2012·Twitter for iPhone
 
Twitter
Kyle Stonemountain
@Kuyll
A fireman walks into a school holding a screwdriver and exclaims, “This is not a drill!”.
5:17 PM · Jul 30, 2013·Twitter for iPhone
   
Twitter
Georgeous
@TheHBT
A Firefighter runs into a school building holding a screwdriver. He screams, “Everybody get out, this is not a drill!”
#PunLife
9:27 PM · Feb 23, 2015·Twitter Web Client
 
Reddit—Dadjokes
Posted by u/Light_bulbnz December 15, 2019
A Firefighter ran into a school holding a screwdriver and yelled…
Quick, everyone get out, this is NOT a drill!