Top Definition
The piss induced erection men wake up with,usualy after a few beers the night before.Second only to diamond in atomic rigidness it is impossible to bend down towards the toliet bowl for a hit and miss,forcing men to go walking the plank.
AKA: Dawn Horn,Morning Root,etc
Jesus christ,put that thing away you pervy little fuck!!

Sorry Mum,these boxers weren't built for piss rifles.
by shitty Nicko November 19, 2004

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