spiff up

VERB
8 LETTERS · STARTS WITH S

spiff up is a valid 8-letter word worth 17 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1P3I1F4F4U1P3
1 + 3 + 1 + 4 + 4 + 0 + 1 + 3 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does spiff up mean?

VERB · 1 SENSE