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1.
Popular part of quote from Counter Strike: Global Offensive, specifically played on de_inferno. Community often jokingly says it.
"Are we rushing in, or are we going sneaky peeky like?"
by d_jones456 March 30, 2014
 
2.
a sneaky peaky is someone who likes to peers and creeps around trying to do sneaky peaky things
sneaky peeky likes to cheat and peek at other peoples cards during poker.
by the greasefish February 06, 2009
 
3.
when your doin a pregnant chick and the baby pops out and says sneaky peeky bitch!
i was doin this chick then her baby popped out and said sneaky peeky bitch
by stevie p is G August 31, 2007