A chest that is so hairy, you can't tell whether someone is topless or wearing a sweater.
I told Lance to take off his top so we could go swimming, but he said he already did. Damn that sweater chest really fooled me.
by Audrey El July 28, 2005
A torso covered with thick enough hair that it could be mistaken for a sweater. In extreme cases, may be an extension of the neckbeard.
Robin Williams: total sweaterchest!
by mollusc November 21, 2012