skeeve1
/skiːv/(also skeev) US slang
noun
An obnoxious or contemptible person; a person regarded as disgusting, unpleasant, etc.
Origin
1990s; earliest use found in The Village Voice. Either from skeeve, or independently as back-formation from skeevy.
skeeve2
/skiːv/(also schif) US slang
verb
1 [with object] To disgust (someone), to repel; to make uncomfortable.
2 [with object] To loathe (a person or thing); to dislike intensely.
Origin
1980s. Probably back-formation from skeevy, perhaps after Italian schifare to loathe, (reflexive) to feel disgust or nausea, to nauseate, repel.