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"
The act of removing the back of your whitey tighty strap and lifting it over someone’s head so that your ballsack makes direct contact with their face. The perpetratortypically wiggles their balls so as to inflict the most butt assery.
The act of removing the back of your whitey tighty strap and lifting it over someone’s head so that your buttcheeks make direct contact with their face. The perpetrator typically wiggles their butt so as to inflict the most butt assery.