A person or persons engaged in the lucrative surreptitious obfuscation and exploitation of adjacent and strategically arranged holders of title or property. Among the natural kingdom the predator and the parasite both share the qualities of a sponger.
I've returned from work to find my home in a state of disarray and bedlam, only too blame are my sponger inlaws and they're incessantpersistence.
Guy who washes dicks for fun. No payment necessary. Often for sick, creepy enjoyment or pleasure. A real pervert. Common among local area sports anchors.
A fun sponge in the military is a socially inadequate, humourless & deeply unpopular person who, through a sense of bitter loathing & revenge, sucks all the fun out of everything. Normally calls senior officers ‘sir’ on twitter.
Dude: why don’t we show our human side & engage online?
Military Fun Sponge: all this social media stuff is only a passing fad & has to be boring.