mowing your lawn 

attempting to pick up someone else's girlfriend/interest, used in the third party state.

Jesse, look at that guy, he's mowing your lawn!

mowing your lawn by the urbanizer December 4, 2003

Mowing the lawn with your teeth while your teammates play soccer 

This is a sex act in which a male performs cunnilingus on a girl who has not shaved in a while, meanwhile, one or more people play with his balls.

John: Hey Brady, how’d you like to go to an orgy this weekend?
Brady: No way bro!
John: Are you sure? Haven’t you ever wanted to try mowing the lawn with your teeth while your teammates play soccer?
Brady: Hmmm, this weekend you say?

Mowing the lawn with your teeth while your teammates play soccer by Kuul June 21, 2020

Mowin On Your Lawn 

To cross a physical or personal boundary between two people.

I don't mean to be mowin on your lawn, but you should pick a different shirt when wearing those shoes.

Mowin On Your Lawn by Colorado2NYC October 5, 2012

Cheeks 

An Irish phrase meaning shit, derived from ass
(Not to be confused with the literal description of one's buttocks)

"Did you hear the song Aylek$ dropped?"
"Hardly. Her music is absolute cheeks."

"My boyfriend say LaFlame is cheeks."
"Tell your boyfriend I said it's his mixtape that's cheeks."

Cheeks by thecartisan April 26, 2020

sans sheriff 

Lawless use of fonts or typography, with no regard to aesthetics or legibility

I'm putting this CV straight in the bin. Written totally sans sheriff.

sans sheriff by Jamarley July 3, 2019

Breadhead 

Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".

A breadhead is like a crackhead, but for money instead of crack.

Breadhead by 🅱️ U S 3 4 8 March 30, 2022

Stink lines

As seen in illustrations or cartoons: Wavy, vertical lines rising above a person, place or thing. Denotes a foul odor.

"You didn't put enough stink lines on your picture of the teacher."

Stink lines by Athene Airheart March 14, 2004