Something that is so disgustingly hideous it is comparable to sin itself, not necessarily physically ugly, something so disturbingly ugly it makes your stomach churn.
by Arthur C September 30, 2007
Get the ugly as sinmug. the ugliest fucking chick uve ever seen on this whole planet....so ugly it is a sin to be so hideous
by uhhhMARISSA December 28, 2005
Get the ugly as sinmug. by DawnHoneybees January 24, 2008
Get the Ugly As Sinmug. That dress is ugly as homemade sin. She is a sweet girl and smart too, which is good because she is ugly as homemade sin.
by The Ladybug Whispers ... May 28, 2016
Get the Ugly As Homemade Sinmug. "that's as ugly as homemade sin!"
by C. Hardy October 13, 2006
Get the ugly as homemade sinmug.