piggyback rocket

16 LETTERS · STARTS WITH P

piggyback rocket is a valid 16-letter word worth 36 points in Scrabble and 41 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3I1G2G2Y4B3A1C3K5R1O1C3K5E1T1

3 + 1 + 2 + 2 + 4 + 3 + 1 + 3 + 5 + 0 + 1 + 1 + 3 + 5 + 1 + 1 =36 PTS

DOUBLE WORD → 72TRIPLE WORD → 108

MEANING

What does piggyback rocket mean?