1. Terminally uncool people who insist on acting like they're cool. 2. Blatantly and unabashedly conceited, yet terribly boring people; can typically be found, wherever they are, talking about themselves in a painfully tedious manner. Example: Just don't let Fred and Ed find out about it, We don't want those super-grovers at our party!
SUPER-GROVERS
Meaning of SUPER-GROVERS in English
Slang English vocab. Английский сленговый словарь. 2012