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