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An object that was originally designed for use in a game called "Baseball", but is now primarily used for bashing in skulls.

Baseball Bats are typically made out of wood but the ones used in tee-ball are made out of some sort of metal and therefore are better for knocking someone's head off.
My wife was being a bitch so I went to the store to look for a baseball bat. I looked where the weapons were but couldn't find one.

Apparently they placed them in the sports section by accident.
by Bloodbath 87 March 06, 2009
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3
A good weapon to whack bastards and getting a revenge
Matt: Whoa dude, why did you just smacked him with a bat?

Harvey: That guy is a total douchebag, he spilled a soda in my head, and stole my bag and hid it in a dumpster. So I smashed him with my baseball bat to get a revenge.
by Fakebash November 24, 2010
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4
An obnoxious and unforgivably large erection that's impossible to hide in any pair of pants. If you want to walk with a baseball bat, you have to use the old hand-in-pocket trick to hold it down.
- "Hey, man. Why'd you need to stay after class?"
- "I had a baseball bat. Needed to wait it out..."
by Yevs May 27, 2011
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5
A baseball bat is slang for a fat blunt filled with weed

It looks like a baseball bat cuz its brown and shaped like it
by RRRRR January 26, 2006
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6
a baseball bat is a dick that starts out small in width and then gets bigger in width when is gets closer to the end, giving it the look of a baseball bat.
pimp: so wheres my money hoe?
hooker: this is all i got
pimp: thats it? im gonna slap you with my baseball bat bitch!
by teh leet pwnzor August 18, 2008
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7
A base-ball bat is a wodden stick. Taht can be used for the game of Base-ball, smashing mailboxes in drive by hittings, or for breaking someone's nose, and even windows. Really fun.
idoit 1: wanna smash some mailboxes?!
idoit 2: SURE!!
me: with what?
idoit 1: duh...a..uh..
idoit 2: A BASE-BALL BAT!!
me: (sigh)
by Mrs. Shelly Dirnt April 30, 2006
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