søg på et hvilket som helst ord, for eksempel the eiffel tower:
 
1.
Refers to IQ; any member of the double digit club has (or is assumed to have) an IQ of 99 or below, ie below average. Almost exclusively used as an insult.
"Hey, Becci, you're really a member of the double digit club."
"Huh?"
(Several smart people around Becci start laughing).
af Overand 12. februar 2005