A term generally used to describe a person of New Zealand decent who engages in sexual relations with sheep.
Person1..Hey Bro i am from Nz
Person2..Gday mtton pumper
Person1..Hey Bro, NZ is sweet bro.....
Person2..Fuck up mutton pumper!!
Person2..Gday mtton pumper
Person1..Hey Bro, NZ is sweet bro.....
Person2..Fuck up mutton pumper!!
by Nin Ja October 14, 2011
Get the Mutton Pumpermug.