This rather graphic expression is hard to utter with a straight face. It may be a synonym, quite generally, for sexual activities likely to generate odiferous, wantonly distributed bodily fluids.
It may also refer, more particularly, to finger banging.
"Hey man, smell my finger! I was slinging stank the whole movie!"
Annie, are you going out for a morning run?
Don't forget Your titie Sling.
When you pull the pussy tongue with your mouth and pops back to place.
Boy I sucked that pussy and the sling back was wow
The act of smashing your dick on a broken lawn chair
I was so bored last night me and my dad sling sloged
Having sex with many people, usually gay men.
“Hey man, you heard about Marcus?”
“Yeah man, I heard he was slinging hog.”
“Crazy man, he’s a dawg for real.”