Someone who was at
HarveyMuddCollege last year yet isn't yet a
SophoMore. Alternatively, someone who wasn't at
HarveyMuddCollege last year yet might as well be a
SophoMore. Or someone who transfers into
HarveyMuddCollege as a
SophoMore.
CubanJon? is the FroshMost?.
Thus, a FroshMore is either a SophoMore - EpsiLon or a FreshMan + EpsiLon. The second usage is more
common now; the term SophMan is often used for the first meaning.