Top definition
The act of pouring slime (or another sticky substance) on your partner during sex.
Night Sky: Hey Sky!
Sky: Night Sky!
Why are you here?
Night Sky: I just wanted to tell you that I did a slippery slug last night.
Sky: No wonder you're my brother!
(vomits)
by Blues and Dumbness May 11, 2019
Get a slippery slug mug for your buddy Sarah.
Aug 9 Word of the Day
Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.
I think Alicia may have some real sleepers.
by KABT October 26, 2007
Get the sleepers neck gaiter and mug.