This expression is usually yelled by a third party when someone gets chumped out by someone else. Typically this is a heckle that adds insult to insult. Similar to shouting "CHUMPED" or "BURNED" or something like that. This usually results in an uproar of laughter.

It is a reference to the face of the person who just got told. Their face may appear to be tight because they want to cry or are extremely mad.
Person A: "How dare you give me an F on this assignment"

Person B: "HOW DARE I?!? I'LL TELL YOU HOW!! I WENT TO COLLEGE AND GOT A MASTER'S IN EDUCATION YOU LITTLE PUNK"

Person C: "TIGHT FACE!!!!!"

Everyone: ROFL
by Habakkuk April 15, 2011
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To be tight in the facial features. Usually having very defined cheekbones, and taught facial skin.
by academyresearcher July 20, 2013
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the face that someone makes when they get tight
Fulmeazy had his tight face on when team W won in P.I.G
by Josh "the prophet" rice February 23, 2009
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