Definitions by Janice Litman Goralnik

butters 

Ugly man/woman/thing/action

Megan is butters or ew that dress is butters or ew his golf swing is butters.

Can be mispelt by certain stereotypes as buttaz or butterz.
From the saying 'She's butt ugly'

butters by Janice Litman Goralnik July 8, 2009