The logical evolution of the blumpkin: receiving head while taking a shit while smoking crack.
After spending weeks trying to find the perfect fathers day gift for my husband, my friend Alice suggested I simply buy a huge bag of crack and fellate him while he shits! He loved it! Thanks crumpkin!
Generally begins with a tap-tap of male genitalia (i.e. one eyed trouser snake) on a shoulder of fellow patron for attention before 'Dublin' down before the nextstop
Little on the nose, little in the mouth and in the ear sometimes; nothing like Dublin in Crumlin
A chumpin is a round-faced person with a very chumpinesque smile, i.e. a smile with puffy cheeks that makes them look slightly dopey but endearing all the same.