1.A member of society, who persists to rape every one and everything for all its worth
2.A member of a group of friends who is always expected to leech of every other member of said group
3. A particularly dirty person i.e tramp or big issue vendor
See German "Schklamm"
"have you been at my cheese again you skleege?"
"Gordon Brown has taxed all my income that fat F***in Skleege"
"Who Skleeged all my salt"
"Once again alan has eaten all the what,not butter that skleegin son bitch"