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1.
To instantly become wiser, interested or to getting the idea for the sake of one's feelings or interests--like a light bulb.
Jack:(smiling slyly to himself)I wonder what's in that shirt of that girl over--

Wilson:(smacking Jack across the back of his head)Turn it on, will ya?
by Jose Gomez March 03, 2008

Words related to turn it on

get smart light bulb tune in turn on wise up