Home Checker 

Is not cheating with someone in a relationships as home wrecker , but rather communicates and slightly flirts with them to see how stable the relationship is

Billy accepted his title of home checker as he got his ass beat after flirting with Kyle’s girlfriend.

Home Checker by Grip Reaper April 9, 2023

Homechecker 

A person who instigates relationship turmoil by making sexual ly suggestive comments during a game of checkers.

"Wow girlfriend-of-a-friend-who-I'd-still-love-fuck, you sure know how to jump my white wood!"

*cue intense fucking*

"Dude, did you just pull that babe in a game of checkers?"
"Sure did!"
"Man, you homechecker!"

Similar to a "homewrecker".

Homechecker by Remus Dickleech April 21, 2010