by bartsimpson49583 June 21, 2011
Get the unfingmug. Any sort of vigorous sexual intercourse. "Unf" being the sound one might make, as in;
"Unf unf unf..."
"Unf unf unf..."
Brian and his boyfriend were unfing in his car like the whole time; I only saw them at the end of the night.
by mini-taur August 10, 2016
Get the unfingmug. by Mary Anarchy February 25, 2004
Get the unf unfmug. by prollygon August 22, 2011
Get the unf unf unfmug. by Video Warrior Laserion December 14, 2002
Get the unfmug. 
