Wordnet 3.0
NOUN (1)
1. 
 a form of pool played with 15 red balls and six balls of other colors and a cue ball; 
VERB (2)
1. 
 fool or dupe; 
- Example: "He was snookered by the con-man's smooth talk"2. 
 leave one's opponent unable to take a direct shot; 
WordNet (r) 3.0 (2006):
snooker
    n 1: a form of pool played with 15 red balls and six balls of
         other colors and a cue ball
    v 1: fool or dupe; "He was snookered by the con-man's smooth
         talk"
    2: leave one's opponent unable to take a direct shot