look up any word, like fleek:
 
1.
Sexual slang for inserting the thumb into a woman's vagina while simultanously inserting four fingers into her anus.
Bob: I heard you went home with Cindy last night
Jack: Yeah, and I totally gave her the Dirty Crab
by MrDee February 21, 2007

Words related to Dirty Crab

anus sex shocker vagina vulgarity