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The quality of lacking courage or integrity. The inability to maintain a stiff upper lip, or hide one's emotions.
Her boyfriend screws around with her best friends and she's too scared to confront him. That bitch got no upper lip.

That dude has no upper lip. I saw "Hot Tub Time Machine" with him the other day and he cried.

Katy Perry stayed got married to that sex addicted douchebag, and now he's leaving her? She's got no upper lip.
by Short-as-Shit February 08, 2012