During a lapdance when a stripper places her mouth on your penis ontop of the pants and exhales, in turn causing a warm sensation in your crotch.
"How was your dance?"

"Awesome, the whore gave me a heater!"
by Evan Weber June 11, 2008
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An extreme hot streak in a poker game or casino game. To become very hot in some form of gambling, profit, or accomplishment. To be at the top of your game.
I was down to my last 20 dollars in the slot machine and then I went on a heater. I was on a heater last night at the craps table, I made a lot of money!
by jdubbbb247 March 08, 2010
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A firearm- Usually a handgun or revolver. This term came from the 30's mafia/gangster times. When continually fired, the barrel would get very warm- hence the name heater.
"Before we go out tonight, do you got your heater?"
Don't mess with her, she's got a heater.
by g-dog adt March 11, 2011
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means gun. usually a 9mm or anyother pistol. mad popular by book "native son"
let me pull out my heater and roll on these bustas
by carribean saint January 11, 2005
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Like a banger only deeper!
That new Tchami song is such a heater.
Yea I know right its so deep I need a submarine.
by estevez17 February 18, 2015
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I believe in common usage that heater is a term now applied to all firearms, not only fully automatic firearms.
by jgpixfed October 20, 2003
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