Top Definition
Baseball player who can hit for average and power using only natural talent and physical ability.
Kid: "Dude...Snider just hit for the cycle; he must be on somethin."

Other Kid: "Nah...the guy's PROHAMMER and that's it.
by swingpath March 03, 2010
one who is with the --; revolution. (Hammer Revolution)

The opposite of PROHAMMER is ANTIHAMMER.

kid: whoever did that is a BADASS MOTHERFUCKER
cooler kid: dude, swearing is for those who don't know how to use language well. try "PROHAMMER"
kid: whoever did that is PROHAMMER
cooler kid: fuck yea
by titofan(PROHAMMER) July 19, 2005
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