Yes, BENDERS is a Scrabble word!

Letter values in Scrabble US: B 3, E 1, N 1, D 2, E 1, R 1, S 1.

Is it a valid word?

BENDERS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a tool for bending
revelry in drinking; a merry drinking party
a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter

Also: booze-up, curve ball, breaking ball.