Top definition
To "black flag".

Meaning to make a bet, and lose it. Then not follow through with the consequences.
YOU: "I'll make a bet that Carlton suck and miss the 8, loser has to suck Suzis penis."

BlackFlag: "Carlton will win the premiership you douche, i'll take your bet"

Carlton go on to stink up the entire competition, blackflag loses the bet, and ignores that the bet was ever placed. Making him a dirty welch and the lowest form of life in the universe.
by Blissid April 28, 2010
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2
to avoid doing something you have promised to do, especially not to pay a debt
Marty got his thumbs broken by Vito after he welched on a gambling debt.
by contractorpeon March 02, 2005
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3
To welch. To go back on your word. A highly derogatory word made popular through the be-mag messageboard crew in response to wirolla's act of cowardice.
Wirolla had two options; tits or GTFO. He welched, he chose the second option.
by gatsby. September 04, 2008
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4
The Welch ate the human that got too close to its cubs.
by tittieballs January 26, 2011
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5
To be Extremely good looking;Popular;Well Liked; Cute
Man, That Paul is sure a Welch. We should just call him Paul Welch!
by Cathy123 November 23, 2006
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6
to puke; throw up; especially with a watery consistency
DJ just welched all in the backseet! too much grape drink
by ganja d December 16, 2006
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7
Yo, I got dem welches!
by Lowki April 28, 2006
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