When you do oral sex to a woman from the back placing your mouth in her vagina and your nose in her ass
by Willsituate February 14, 2015
 Get the Ass maskmug.
Get the Ass maskmug. When you get down between a guy's legs and pull his scrotum up to make a mask, using his penis as the nose. Resembles Alf from the 80's tv show.
by Feetsoup March 23, 2018
 Get the Alf maskmug.
Get the Alf maskmug. by Marc Knoffler March 25, 2008
 Get the Nasty Maskmug.
Get the Nasty Maskmug. by J_6_ October 6, 2020
 Get the Mask Facemug.
Get the Mask Facemug. by thisisfrusterating February 15, 2010
 Get the mayonnaise maskmug.
Get the mayonnaise maskmug. The act of positioning your hand over your anus and proceeding to fart then applying the cupped hand onto an unsuspecting victims mouth and nose and holding it there steadily for a minimum of 5 seconds.
by Eric mike n john May 13, 2005
 Get the Cup and Maskmug.
Get the Cup and Maskmug. by Td the great March 30, 2009
 Get the guerilla maskmug.
Get the guerilla maskmug.