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
A dorky guy trying to be cool on the internet by talking smack to people for random thrills. This person is usually found annoying by everyone. He could be playing an internet game, leaving rude youtube comments, or spamming lameness upon social networking sites.
by MJwins June 23, 2010
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
by vscreams April 9, 2022
by Tool man April 23, 2018