Answer:

nerd

AnswerCrossword Clue
NERDLead-in to core or fest
NERDBrainy sort
NERDSuperbrainy sort
NERDWonkish sort
NERDOne probably not with the jocks at the lunch table
NERDPut-down that nowadays may be worn as a badge of honor
NERDJock's antithesis
NERDSocially maladroit sort
NERDDorkmeister
NERDGeek
NERDHardly Mr. Cool
NERDStereotypical Mensan
NERDWeenie
NERDStereotypical techie
NERDSwot : Britain :: ... : America
NERDSquare figure
NERDUnlikely prom king
NERDUncool sort
NERDDweeb
NERDPoindexter type
NERDLover of brain games
NERDSquare type
NERDDweeby sort
NERDHigh-school put-down
NERDOne who might celebrate Pi Day
NERDDorky sort
NERDBrainiac's put-down
NERDJock's counterpart
NERDSquare
NERDGuy with his nose always stuck in a book
NERDSocial misfit
NERDUnlikely party animal
NERDGeeky guy
NERDEggheady sort
NERDWhom a bully may bully
NERDOverly bookish sort
NERDGeeky sort
NERDTypical Rick Moranis film role
NERDSocial bungler
NERDDork