(adj.) Below the line of what is acceptable behviour. Used to describe an insult that was a little extreme, but comes from physical fighting where Queensbury rules and broughton's rules dictate that no punches are to be thrown below the belt.
That was a bit below the belt

he hit me below the belt
by Kung-Fu Jesus June 15, 2004
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To say chill ,cool, relaxed in stressful dynamic situations.
You’ve got to keep the rhythm below the belt !
by lexi777777 December 4, 2016
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Any person under 18, if they cant buy alcohol, tobacco or participate in sexual activities legally, it doesn't matter if its a he or she, if they are under aged they are considered below the belt.
Example 1:

Guy 1: hey dude, look at that hot chick over there.

Guy 2: yo chill dude, shes below the belt.

Guy 1: damn!....... she still looks good though.

Example 2:

Woman 1: OMG, look at that guy over there coming out the comic store, he is a hottie.

Woman:2 umm, i think you need to put your glasses on.

Woman 1: why?

Woman 2: hes clearly below the belt, and besides hes one of my students.
by J-Bro 007 April 1, 2011
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To say something that is often too personal, usually irrelevant, and always unfair. The expression comes from boxing, in which it is illegal to hit an opponent below the belt.
To remind reformed alcoholics of their drinking problem is to hit below the belt.
by cromewild August 5, 2015
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someone who is happy to get down to stuff in the sack, once their belt is down, but isn't interested in their partner above the belt, and when the belt's are up, they revert to being straight. Handy!
(this is the opposite of gay above the belt)
are you straight, gay, or gay below the belt?
by nospaceforspaces January 3, 2011
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Sara said she would always carry the full beaver because she would never shave her pelt below the belt.
by hoho223 February 13, 2010
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When a guy has (or claims to have) a big dick and a big ass, similar to a black guy.
The skinny white kid said, "I may look white, but I'm really black below the belt"
by bedheadx October 23, 2007
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