Old Mopar engines used in Dodge/Chrysler cars such as Chargers, Super Bee's, Road Runners, Challengers, and other muscle cars. The name was derived for Hemispherical cylinder heads using a SOHC design. The new "Hemi's" are not actually Hemi's, but just a copyrighted name used to sell cars. New Hemi engines are simply a waste of fuel, space, and money. Dodge achives it's power these day by low-tech cheap in-efficient engines. With Chevy you get about the same performance with about double the MPG. Dodge talks about their new Viper-powered V-10 Ram, which is the fastest stock pickup in the world. Well last time I checked, people don't by pickups to go fast, they buy them for hauling shit.

Dodge Sucks.
I am quite positive if Chevy or Ford wanted to make the fastest stock truck in the world, they could, without using a super-car engine.
by Rice Hater August 08, 2005
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A semi erect penis which occurs as a result of sexual arousal from looking at another man.
“The locker room shower was a tough place for him to hide his hemi.”
by Howard Wakefield September 28, 2007
Term used by those in the gay community to describe a, supposed, heterosexual man's erection provoked by homo-erotic thoughts, situations or other stimuli.
"He says he's as straight as a die but his hemi showed through his pants a mile away."
by Silas Flannery December 03, 2007
A semi erect penis which occurs as a result of sexual arousal from looking at another man.
The locker room shower was a tough place for him to hide his hemi.
by Howard Wakefield October 04, 2007
A nice engine but is not what it used to be.
Yeah man, that Hemi tore some shit, but then i bought a LT1 and now im twice as fast
by hutch November 02, 2003
A guy in the closet's erection from looking at another guy.
All the men hid their hemis when I strode into the room.
by Brian Teemes January 15, 2008
Nickname for a powerful Chrysler V8 engine from the 1960s that had a hemispherical combustion chamber. The name has since been trademarked by Chrylser and applied to a new, 345 horsepower V8 that does not have the characteristic hemispherical heads. The new engine is not really a hemi; DaimlerBenz, the owners of Chrysler and Dodge, wanted a name that would convey the power of the new engine so they picked Hemi.

The copyrighted term Hemi and the accompanying engine have been marketed with a series of commercials featuring actor Jon Reep.
Q: That thing got a Hemi in it?
A: Well, if you mean, does it have the new, 345 horsepower Chrysler V8, then yes. But if you mean, does it have the legendary Mopar V8 characterized by hemispherical combustion chambers, then no, this thing does not have a Hemi in it.
by zodar June 20, 2004
An abbreviation for the medical term hemroid.
That thing got a hemi?

Nope, but I sure as hell do!
by bobbeh. August 12, 2005
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