Top Definition
a knowing, occasionally involuntary smirk or smile occuring as a result of thoughts (pure or impure) about the boy you're interested in, or that you recently hooked up with
Mario and I totally hooked up last night! And I'm positive everyone at work knew what was behind the huge cock smirk I had on my face all day.
by perstephone September 13, 2007
10 Words related to cock smirk

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