When you stick your thumb in a gurls butthole mis sex. While she is riding you reverse cowgirl and you slip your thumb in when she thrusts downward.
by Justoutathumbinit May 21, 2021
When you fist a woman and make a thumbs up inside her whilst having your other thumb inside her anus, No SLAP rounds required.
by 6889747 May 21, 2021
by DaGreyOne May 20, 2021
by CptDonny May 21, 2021
by JammyRammy May 20, 2021
by The new brandon May 20, 2021
when you are giving it to her from behind and shove your thumb up her arse similar to what kentucky ballistics did to his open neck wound
by Zacrum May 21, 2021