The act of shoving the access skin of your philly cheese steak covered ball sack into your anus
-Yo did you hear what Collin got caught doing last night?
-Nah man what happened?
-His mom walked in on him Sloppy Snydering, she's making him move out
When two people have wild sex on Saturday night and wake up on Sunday morning to dried cum and smelly sweat.
Jake : Wow honey guess another Sloppy Sunday huh!
Kiersten : Yeah we should really shower!
Steve : Hey guys I got dibs on the shower gosh it really smells in here!
Jake : Uh what the fuck is he doing in your apartment?
Kiersten : Don't worry I'm calling the cops!