She had taco bell earlier in the day, but the good ol' Kentucky thumb will prevent any accidents from happening in bed tonight.
by awesome gamer. May 20, 2021


When you insert your thumb into a Connecticut girls ass while hittin it from behind. Giving you leverage for more thrust.
by Phat56Pat January 27, 2023

When you're hitting it from behind and your slap her ass, to which she responds by yelling "just stick a thumb in it!"
by Captain Hazelwood May 20, 2021

While playing the giver in the "doggy style" sex position, insert your thumb into the rectum of the reciever.
by The Cryomancer May 20, 2021

by Biggaybear April 2, 2013

keeping a tad bit of cum/semean in between your pointer finger and thumb to wipe on someone/something later in day
“bro i wiped a thumb slug on brad after he called me a dick today”
“dave mad fun of me yesterday so i’m going to cum thumb slug him today”
“dave mad fun of me yesterday so i’m going to cum thumb slug him today”
by D the P slayer August 19, 2021
