1 definition by Dave "The Air Bus"

When your lady friends vaginal juices are so thick and greasy that they leave a hard coating on your erect pecker, this creates "The Twat Sickle". This is usually an undesirable ailment, so to be called one is rather rude.
(Dave) "Man, after banging Susie last night I woke up with a huge Twat Sickle!
(Joe) "You better get that thing on ice!"
by Dave "The Air Bus" September 30, 2006
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