Although often referred to as a side effect of blowing one's load, this is also an acceptable term for someone who is stupid, lame, a douche bag, or simply a raging tool whom you feel utter disdain for.
by B-Mac! May 23, 2007
Get the cumstainmug. by big joe April 26, 2003
Get the cumstainmug. by Jack B. Nimble December 16, 2002
Get the cumstainmug. This is a stain of your sperm on your clothing, very difficult to get rid of stain, washing powder use should be doubled when removing cumstain
by magical_pony October 30, 2019
Get the cumstainmug. 1. General insult
2. Literally a stain made by cum, cum being the product of coming or having came, comed or cummed.
2. Literally a stain made by cum, cum being the product of coming or having came, comed or cummed.
by dbviwuhbv October 5, 2010
Get the Cumstainmug. by lisa mcbirdseye February 3, 2003
Get the cumstainmug. by aidancrosbie2805 November 14, 2018
Get the Cumstainmug.