When you're using your laptop that is resting on your lap and it gets really hot, causing your crotchial area to heat up
by DefinitionGenius August 23, 2016
Get the Sperm Boilermug. When one partner fills their mouth with hot water, (aka the boiler room) and the other parter sticks their penis in and out of their mouth in a fucking motion. Recommended for dick size 3 inches and down due to drowning hazard.
by Mega Nut March 13, 2022
Get the boiler roommug. 