Top Definition
compared to your average slag, an omega-slag can be as much as 5 times worse. the term comes from the greek alphabet: omega. it expresses the severe slaggyness of an omega-slag.

Omega-slags are often found on street corners and usualy have no family. where as a slag may have sex with a dozen men, an omega-slag will have sex with a dozen men at once.
similars include; omega-tramp, omega-skank, omega-slut and omega-whore.
man, that milly smith. shes such an omega-slag i cuda fit my whole HEAD up her clunge!
by bejallck May 16, 2010

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