When ones thighs resemble a well shaped mastiff (erection) .. OR ... If one is being a smart ass, Cock thighs is often a marvellous name to poke fun at them with
Thanks cock thighs ...

OR

Relax, cock thighs ..
by MeatLamb July 18, 2014
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when a dude is super sweaty and naked and his cock can’t help but stick to his thigh
Jishwa’s thigh cock was practically glued to his leg last night”
by Olee pelli October 23, 2017
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