similar to pocket lint if you wear underwear unwashed too many days in a row the lint becomes moist like jam
by thatsthatmattressman July 6, 2012
Get the ass jammug. In the MMO, Dark Age of Camelot, "ass jamming" describes a situation where two enemy groups are fighting eachother and a third group comes along and joins the battle.
by Loumy January 16, 2010
Get the ass jammug. When you press your bare ass against glass and it spreads, revealing the browneye. Spreading ass like you spread jam.
by Rambonanza February 19, 2009
Get the ass jammug. The spunk left clinginging to a gay mans sphincter after a heavy bum fun session, typically coloured by blood and poo
by Mike Tidy April 17, 2004
Get the ass jammug. In an MMORPG when there is a group of idle players and another grp of players suddenly runs up and kills them unexpecatdly.
by Cyrus February 13, 2005
Get the ass jammug. by thehashbrownclown May 21, 2015
Get the ass jammug. by McClarky February 1, 2009
Get the Ass Jammingmug.