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1.
To fuck someone or something with great intensity and ferocity.
Wow its a beautiful Spring day. I think I should find a ripe little Asian pussy and hammerfuck the shaved wet slit into next week.
by DankDonk May 08, 2006
29 11
 
2.
Fucking Two Girls at once using normal motion, But having a double sided dildo Inserted into your own ass making it possible.
Yeah Man! I totally hammer Fucked her and her friend last night.
by Xiathis February 03, 2011
6 2