Answer: nerd

AnswerCrossword Clue
NERDGoofball
NERDSocially inept loser
NERDJock's opposite
NERDSocial nonentity
NERDBookish type
NERDStraight-A student, stereotypically
NERDUnlikely homecoming king
NERDSquare figure
NERDBully's frequent target
NERD"Happy Days" put-down
NERDUnlikely party animal
NERDUltramega "Star Wars" fan, e.g.
NERDOne short on social skills
NERDUncool character
NERDClass scapegoat
NERDHardly Joe Cool
NERDHardly a BMOC
NERDHighbrow without a social life
NERDUnlikely class president
NERDPrey for a bully
nerda socially inept person, also NURD
NERDSocial misfit
NERDDork
NERDDweeb
NERDOverly bookish sort
NERDPocket-protector wearer, perhaps
NERDQuirky character
NERDGeek
NERDHigh-school misfit
NERDHigh-school outcast
NERDPocket-protector wearer
NERDBlack-sock wearer in gym, perhaps
NERDUncool fellow
NERDSocially inept one
NERDSquare, now
NERDSquare ones
NERDUncool one
NERDCampus character
NERDSchool stereotype
NERDUncool stereotype