BUCKLINT 

(buck' lint) n. The fine red and blue threads running through new dollar bills.

If you look really close at a dollar bill, you can see the bucklint.

BUCKLINT by piyox420andreev August 19, 2010

buckling 

getting frisky in a vehicle

"What are you two doing back there?"
"We're buckling!"
"So that's what the kids call it these days!"

buckling by turdinpunchbowl November 2, 2014

Knee Buckling Butt Fucking 

This is when a girl is getting fucked up the ass so hard that both her and the person fucking her knees buckle from the forces of fucking and getting fucked. Best observed in any porno where anal poundings are involved.

Dude me and my girl were fucking, it was Knee Buckling Butt Fucking night, she was so tired after that she fell asleep with my cock in her ass, what a night!

Knee Buckling Ass Fucking is the way to go

Knee Buckling Butt Fucking by Overloard October 15, 2010

Bucklington 

A 5'4" Manlet who streams on twitch. A master at scamming his fans and bullying his friends, such as thinlyslicedham. Famously know for not streaming for extended periods of time and being buck from criken

Bucklington scammed me recently, took my prime sub and left for a month.

Bucklington by Jim jong un February 2, 2022

Buckling Branco 

While having sexual intercourse from the backside, the male whispers in the girls ear "I have AIDS", when you really don't.

"After doing it to Alex last night, James found out he really does have AID's"
"After Buckling Branco Martha agreed and told George she has AID's too"

Buckling Branco by Drog Mon July 23, 2006

Bucklin 

A person of undeniable sexual appeal. Their slight weirdness is the power behind the attraction, a curiousity of personality.

Girl 1: That boy is so hot, I want to have his babies!

Girl 2: I know, he's such a bucklin.

Bucklin by theguyoverthere8739 October 9, 2008

Buckling Kneecaps 

When the dick is so good your Kneecaps buckle.

Josh pounded me so good he turned my knees become buckling Kneecaps.

Buckling Kneecaps by Marchioni May 6, 2020