Answer: sweathog

AnswerCrossword Clue
SWEATHOGHorshack, e.g.
SWEATHOG"Welcome Back, Kotter" kid
SWEATHOG'70s sitcom high schooler
SWEATHOG"Welcome Back, Kotter" student
SWEATHOGUnpopular student
SWEATHOGMisfit '70s sitcom character
SWEATHOGMember of a TV high-school clique