Stiff lip 

Sucking on the head of a man's penis real hard with firm lip action.

That thot stiff lipped the shit out of my dick last night.

Stiff lip by Samuel Prewitt Jr. Dayton, Oh October 30, 2015

keep a stiff upper lip 

To be courageous or stoic in the face of adversity.

Even though he was only three years old, Jonathan keep a stiff upper lip the whole time he was in the hospital recovering from his surgery.

keep a stiff upper lip by sanjchy905 September 9, 2013

Stiff upper lip.

Meaning you must keep your composure in all situations.
Be tough.

Hailey : I miss you daddy -cries-
Dad : "Stiff upper lip." baby, we'll get through this.

Stiff upper lip. by Nannerpus February 15, 2009

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"

stiff upper lip by strengthchip January 21, 2009

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!

stiff upper lip by Daniel February 3, 2005

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.

stiff upper lip by Rusty de la Serna March 22, 2009

Stiff Yo Lip 

To Tell Somebody To Shut Up

Yo Bitch Stiff Yo Lip!

Stiff Yo Lip by DiPsEt November 10, 2004