Someone who can't make or keep their own friends for very long, and therefore rely on taking friends from the only people they know and making connections with them before taking out the person who introduced them in the first place.
When your cousin/sibling becomes a friend sponge and soaks up your friends like they've known each other for years when you only introduced them at that party last Saturday.
A person (underage or adult) who goes around at a party/restaurant/bar and finishes other people's drinks.
"Marty! You drank the rest of my drink?? You're such a booze sponge. Get your own, MOOCH!"
The act of trying to penetrate when flacid due to being absolutely wasted
"Ryan was trying to smash this bird after the pub but it didnt go well as his old boy was as much use as a sponge finger"
Pube hairs on or around the vaginal region. These hairs tend to soak up as much or more piss than the tissue used to wipe with. The more dense and pronounced the greater the sponging capabilities.
Note: men can also experience this phenomenon around their genitalia.
I was going to go down on Suzy but the pungent odor of her piss sponge made me reconsider.
When one of the knees gives way temporarily whilst walking causing a person to dip halfway to the ground before re-gaining control - therefore looking like a complete tit to any onlookers.
Ha Ha Ha, John just got sponge knee, Ha Ha Ha.
The sponge the whole family uses in the bathroom for washing their genitals. This sponge should not be used to wash your face. Can also be used as a passive aggressive name for someone you don’t like.
OMG, Brad used the front sponge to wash his face last night. Gross.
Dave, you’re such a front sponge.
A sponge hole is a shit home-made flesh light made from a rubber glove a sponge and a plastic cup
Person1:Man Elijah s sponge hole is fucking awesome!
Person2:you fucking used his?
Person1: yeah
Person2:what the fuck