Uncool type
I believe the answer is:
nerd
'uncool type' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for nerd that I've seen before include "Boring, trivia-obsessed type" , "Technical expert" , "Studious bore" , "Feeble person (sl.)" , "knowledgable geek" .)