An item or items left behind at a lover or love interests home ensuring at least one more return visit if just to get your item(s) back.
Bob: I left my jacket at your house last night, can I come pick it up?
Sara: Yeah, I'll leave it out on the porch so in case I'm not home you can grab it.
Bob: Well, I could just wait
Sara: Nah, I have plans with friends this week so I don't know when I'll be home
Sara to friend: That damn Bob got me with a leave behind, now he wants to come pick it up, I just never want to see his sorry a$$ again!!!