The act of going for a huge manly shit after a rather heavy night out, usually comprising Beer, Spirits and Takeaway food (most likely containing Chilli or spice of some kind). The closest a male can get to the feeling of having something living forcibly torn out of them. Coined by a group of lads from Shrewsbury, Shropshire, UK.
Lad, i think i need to go for a Manbortion!

Dude i just went for one hell of a Manbortion!

Ah fuck it smells like someone's just had a Manbortion in there! Manbort! MANBORT!
by Captain Jesus Pasty August 17, 2010
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The loss of manly things from ones life when a female becomes involved with ones life
I got a Manbortion after my girlfriend moved in with me.
by THEDarkKITTEN October 27, 2009
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when a man goes to get a vasectomy.
My friend had a manbortion so he could copulate freely with random plus pieces around the world.
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