look up any word, like bangarang:
 
1.
1) residue left in ones underwear

2) an offensive term
jane left a butt smear in her panties.
by money January 09, 2004
 
2.
the stain left in your underpants after defacating in them.
I crapped my pants and left a huge buttsmear.
by Caitlin Dorrance January 07, 2005