To deliberately pass gas in an enclosed space, such as a car, truck, or trailer, to provide warmth and stuffy air.
Rick turned on the old "Arkansas heater" in his truck to warm things up.
Drunk; beyond a buzz but not yet blasted.
That dude has a heater on and better stay the hell off that that moped.
A woman that has had to many men and children.
A woman who has had slept with many black men, more than any porn star actress.
A prank usually given to any woman that has had to much to drink in one night and passes out.
The passed out victim, usually is given 2 - 12 ounce cans, one vaginally and in the anus. Then followed by a layer of tape, like a thong and then again like her underwear in, to hold everything until, the victim wakes up. When the victim walks around, causing them to walk funny. the victim must find a way to remove the tape, then the cans, either in a hospital, or at home.
Dude1: That chick has had two cases of beer, and is about ready to pass out.
Dude2: lets get her a double can heater.
So basically a water heater is anyone that is not the brightest, or in other words is non-intelligent or retarded.
Stacy: You wouldn't believe how much of a water heater joey was being
Georgia: I can believe it, he's always being a water heater
A "heater" is commonly used in the 60s referring to a hand gun.
Dallas: I carry around a heater if I'm ever jumped, hear me Johnny?
An alcoholic mixed drink that has been poured with a much larger amount of alcohol in it than is normally given in the recipe.
My friend had a heavy hand and poured me a heater of a cocktail just now.