Term used when a male perpetrates having a well-endowed penis, when in fact, to his partner's surprise is actually the opposite of large. In this case, see peter petweeter.
by geniusH August 6, 2006
Get the perpin' the slongmug. by Mr Fo April 29, 2008
Get the slong coastermug. by jo ho witness July 31, 2006
Get the dong slongmug. by cptsnowblow March 6, 2018
Get the slong monstermug. by Slurped buttface October 1, 2023
Get the slong lickermug. 
