can of worms

NOUN
12 LETTERS · STARTS WITH C

can of worms is a valid 12-letter word worth 20 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3A1N1O1F4W4O1R1M3S1
3 + 1 + 1 + 0 + 1 + 4 + 0 + 4 + 1 + 1 + 3 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does can of worms mean?

NOUN · 1 SENSE
1

A source of unpredictable trouble and complexity.