Top Definition
When a man gets a running start, and attempts to ring the asshole of another man (The other man is bent over with his cheeks spread.) with his cock. The sensation you can get from this is awesome. Generous amounts of lube is recommended though.

We also play this as a game at parties. The first man to cum has to be "it".
My ass is sore from max hammering all night.
by Big Gay Roberto April 15, 2007
6 Words related to max hammer

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