/wongk/ , n. Slang.
1. a student who spends much time studying and has little or no social life; grind.
2. a stupid, boring, or unattractive person.
3. a person who studies a subject or issue in an excessively assiduous and thorough manner: a policy wonk.
[ 1960-65, Amer.; of expressive orig.; nautical slang wonk "a midshipman," Australian slang: "white person, homosexual" are prob. independent formations ]