To shit inside a shower cap, and sneak up behind someone. You then hold them back and put the shitty cap on their face like a gas mask.
by GasMaskOverdrive March 22, 2017
Get the Tallahassee Gas Maskmug. by J.T.000 January 31, 2009
Get the Trojan Gas Maskmug. A sexual act in which a male gives his partner a tea bag, one testicle in each eye, and proceeds to fart in his partners mouth.
by Nicolae Shoryuka November 27, 2007
Get the Afghani Gas Maskmug. by 123colinrox May 17, 2019
Get the california gas maskmug. by Snowman 50522 May 30, 2016
Get the Minnesota Gas Maskmug. by Evan April 19, 2005
Get the Bulgarian Gas Maskmug. It is when a man is sitting on a woman's face, his balls are ever-so-strategically placed over her eyes like a silk pillow...while he farts into her nose.
by Jennifer Voldness May 13, 2005
Get the Egyptian Gas Maskmug.