When you take a dookie in a particularly cold environment and the fecal matter freezes on the way out of your rectal cavity, causing you to have a sizeable brown stick protruding from your butt, ergo, a butt boner.
by poopyshit24 April 1, 2023
Get the butt bonermug. when your weiner gets hard as fucking diamonds, thus causing you to die an absolutely abysmal death if your sausage slammer is big enough. its also feasible that boners can give you brain damage by slapping you in the face, again, if your penile is big enough.
by BeefBoyBalling478 November 3, 2021
Get the bonermug. by WELCOMETOTHEBONERZONER March 23, 2022
Get the Bonermug. by iranoutofideas724 August 2, 2023
Get the bonermug. by Miller Perry November 17, 2023
Get the Bobcat Bonermug. by Boner Rivera September 9, 2020
Get the boner riveramug. My brother works in IT at Yale — during the day it seems like a friendly place, but if you saw their web logs at night — man, that place is a boner frigate.
by jtrefgarne April 21, 2022
Get the Boner frigatemug.