Top Definition
The medical term for a situation where ones penis fails to perform, rise up, take charge or man the fck up!
Girl: We going to have a fuckathon again?
Guy: Sure, let me hide the parcel in a few of your friends too this time it will be fun.
Girl: Sure let me suck that hard man tendon of yours!

30mins later
Girl: Good gonzo, I have been fluffing and sucking on little Timmy for a while now what's with you?
Guy: I think its your technique!
Girl: Oh shame, it looks like you are sufferring from a bad case of mycoxaphalia
by Top Bloke August 06, 2012

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