To let your cock and balls just hang out
(YouTuber wackawackamunv2 uses it)
Johnny:I’m going outside .
Bill:you better not go out there slinging.
communication between two people in quick succession (generally, a real time discussion) via IM, text message, e-mail, or some other form of text-only communication.
This term is often used as a contrast to other kinds of communication such as a phone call, skype video conference, or just getting up and walking over to your buddy's dorm room.
Guy: Hey, babe, I've been at my computer all day working on my paper that was due tonight, I really don't feel like slinging text around right now.
To ejaculate from masterbation
“Why is this towel all crusty?”
“Sorry man, my girlfriend is out of town so I’ve just been slinging toothpaste all week”
When a pet has diarrhea that gets stuck in their butt hairs, then scoots all over the house or apartment, effectively coating the floor in dingleberries.
The cat’s stomach was completely wrecked ... she did the dingleberry sling all over the downstairs last night.