1 definition by PMcPerson

1

The belief that furries are the worst of the worst and should be exterminated like the jews

Do you believe in MASTONISM? No, you must be a fucking furry

by PMcPerson November 27, 2017

Get the merch

Get the mastonism neck gaiter and mug.

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request