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1) Acronym used for the phrase "kill my high" referring to anything that interferes with the buzz of alcohol, marijuana, etc.
Dude, put down that avocado burger! KMH!
KMH by Christopher Isla September 12, 2007
Related Words
Kill More Hindu's, it's on every canadian speed limit sign.
What does kmh mean on that speed limit sign? Kill More Hindu's!
kmh by Brad Canning July 18, 2006
Keep Me Hidden, a crew created by blxmeher

When you don’t want to be seen.
Ex 1. Aye you in KMH?
Ex 2. KMH nigga
KMH by bliqky September 27, 2018
A Masterpiece made by the romanian underground hip-hop group B.U.G. mafia about cars one of the lyrics being: sunt eu un maniac probabil că da pentru că îmi place să îmi bag bani în mașină mea.(English: Am I a maniac then probably yeah because I like to put money in my car.)
Gary: Yoo Tyrone have you heard 40 kmh by B.U.G. mafia?

Tyrone:Yeah man it's a master piece
40 kmh by GoldKumari December 18, 2022
Keeping My Head Still - To experience a surge of second-hand embarrassment so intense, one is physically unable to shake one's head (SMH). Usually accompanied by an intense desire to avoid eye contact, and an all-encompassing silence.
Person 1: Have you listened to Iggy Azalea's newest album? It's straight fire.
Person 2: I haven't listened to anything except the My Little Pony soundtrack for the last four years.
Everyone: KMHS
KMHS by WhiteyMcCune February 9, 2015
Often misspelt as kilometer.

The kilometre per hour is a unit of speed, expressing the number of kilometres travelled in one hour. The unit symbol is km/h. Worldwide, it is the most commonly used unit of speed on road signs and car speedometers.
Generally, speed limits, on most highway speed signs, are set to 100 km/h to 110 km/h.

F1 cars can accelerate to 300 km/h very quickly, due to their ability to gain RPM quickly. The top speeds, however, aren't much higher than 330 km/h on most circuits.
km/h by Roger Miles January 23, 2014