When a bit of a biproduct from a sex-act is found on one's clothing, then noted later in conversation.
by smacklin October 15, 2007
1. When I was in class, I realized my boyfriend left me a dirty lewinski
2. I Dirty Lewinskied her fucking shorts last night, brah
2. I Dirty Lewinskied her fucking shorts last night, brah
by JDubD October 08, 2007