Lerf
Someone who cheats on a girl/boy but always ends up with this one girl/boy that she/he says she/he loves but cheats on her. But he/she still can’t move on from that one person even after cheating multiple times
“Hey isn’t that isaiah hooking up with that girl”

“Yeah he is i thought he was supposed to be with his girl but he always cheats on her but she always takes him back, he’s in lerf”