tip drill
 n.— «tip drill A girl or boy that is unattractive from the neck up but is good enough to have sexual intercourse with. Used by African Americans and appropriated by some whites.» —by Dr. Jo Koster’s WRIT 102 Class in Winthrop Univ. Winthrop Slang Dictionary Spring 2004 (Rock Hill, S.C.) , 2004. (source: Double-Tongued Dictionary)