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3. stiff upper lip
An English term meaning to keep all your feelings bottled in
"You should be more open to people"

"I can't, I keep a stiff upper lip"
1. stiff upper lip
Somewhat antiquated English saying, meaning that one must finish a task despite all odds.
C'mon, lads. Keep a stiff upper lip!
by Daniel Feb 3, 2005 add a video
2. stiff upper lip
Somewhat archaic English phrase meaning unwavering determination.

Can also be used in a negative sense to describe general obstinacy or stubbornness.
Jimmy just won't give up until he is victorious. He's got a stiff upper lip.

Dude, leave her alone. She obviously isn't interested. That stiff upper lip is gonna get you in trouble.
4. stiff upper lip
The act of ejaculating on a womans upper lip then freezing it, then you punch the frozen lip.
Arnold gave marrisa a stiff upper lip after she refused to make him a sandwich.
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