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3.
1. to soil; tarnish; discolor.
2. to detract from the honor or luster of
as a very good friend of mine once said;
"don't besmirch the adams' merch, Spitto!".
by mzo April 14, 2008
 
1.
1. to soil; tarnish; discolor.
2. to detract from the honor or luster of: to besmirch someone's good name
a reputation that was besmirched by slander
by Khadija August 29, 2006
 
2.
To sneak up behind someone, then proceed to jump up and grab the victims head in one or both hands and then using momentum push the victims head into their own crotch. Popularized in the early 2000's in Southern California.
Dude I totally besmirched Paul. He was drinking a soda when I did it so it was even better.
by Username_Taken January 07, 2010