pillock

NOUN /pɪlək/
7 LETTERS · STARTS WITH P

pillock is a valid 7-letter word worth 15 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3I1L1L1O1C3K5
3 + 1 + 1 + 1 + 1 + 3 + 5 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does pillock mean?