Is a the result from picking a small piece of crap from your ringer when failed to whipe your ass properly after shitting.
After picking, it contains ass hairs and bum fluff and can therefore be classified as a Deccurran.
Someone picks their ass,

"ARRRGGHHHH hes got a Deccurran on his finger"
by Geturecoat December 1, 2009
Get the Deccurran mug.