when something is so nerdy, that it suddenly becomes popular, usually with those really annoying girls ages 10-15 who have no real opinions and just say they like what ever is "cool" at the moment.
kid #1: (in 2005) oh my gosh! those glasses are soooo nerdy
,why would anyone wear them?teeny bopper
kid#2: (2005) i know right! ick.teeny bopper
kid #1 (2012) those (same) glasses are so nerdtacular!teeny bopper
kid #2 ikr!?! i already hav a pair! totes amaze!