Thumb pulling is when you hold someone's hand then you both suck on your own thumbs to make it look like you are pulling / snogging
by c'est_moi September 7, 2013

by Winkey the beedle of time January 26, 2009

An approximate way of doing something based on presumptions rather than fact. Contrary to popular belief, the idea the law once allowed a husband to beat his wife as long as the device was no thicker than his thumb is false, as such assaults were outlawed for centuries in common law, although the ban wasn't generally codified in written law until the 1980s.
A driver kept going 5 mph over the speed limit, thinking the police had a rule of thumb that it was a waste of time to give out a ticket to anyone going anything lower than that.
by BlastFurnace February 27, 2025

by CowsAndPigd April 11, 2022

by fearjam January 30, 2019

The act of, rather than sticking your thumb in her ass while you're fucking her, you pull out, shove it in her ass, and plug her vagina with your thumb
by Boost_and_chill May 20, 2021

by dtm person July 16, 2022
