When your cock isn't up to it and it resembles a slug but you try to stuff it in anyway and the receiving hole is tight. Like the opening coin slot on a money box.
"Hey Colin did you get laid last night?"
"Yeah bruv, me cock wasn't interested though so it was like sticking a slug in a money box"
A chicken head who is old and their butt sags in the back like two slugs.
Your mom is a chicken slug booty.
When a woman spreads the lips of her vagina while straddling the chest of her partner and drags herself down his chest leaving a trail of white slime. The shape of the labia looks like a swimming sea slug.
Katie wanted revenge after David came on her chest without asking so while he was sleeping she climbed on top of him and gave him a ruffled sea slug.
Licking a clitoris. Since the clits shape, and pussy juice is thick and clear, like a slug trail.
So get down there and lick my slug!
When you take a shit on the floor then instead of wiping, you scoot across the floor leaving streaks.
-She shit on the floor then scooted away without wiping.
-Ah, the ol muddy slug.
When you keep getting the same Urban Dictionary definition to review time and time again so you straight up inhale a slug down your esophagus. It then vibrates with spiritual energy and ascends to its final metallic form, from whence you are attacked.
"BRO, I think Tomathon is having a Metal Slug Attack!!!1!1!!!!!!"
"BRO that effing succ slug my dude"
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When two people of any sex completely cover themselves in olive oil and rub against each other then you put a bodily fluid of your choice in the persons mouth they wash it around they spit it in your mouth and add something else. It keeps going back and forth until one of you quits at that point the winner gets oral. Also known as S.S.S
"Man me and levi did some slippery slug sex last night he gave me a great blowjob after he puked all over my ass"
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