After Matt Preston (of Master Chef Australia fame) appeared in People magazine without a shirt revealing his man boobs,

Boobs, Tits, Nipples etc referred to as Matty P's or Matt Prestons!
Person 1: She lifted her shirt up without her bra!
Person 2: Could you see her Matty P's?
Person 1: yeah, her Matt Preston's were flying free
by Club Zackleys January 9, 2011
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Someone who rolls really shitty blunts. Looks like his own dog coop. His friends call him mumbles, he skimps hella kids and gets bullied by the kids on the track team
Matty P a mumbled coop looking nigga
by Ben Dover2.0 February 5, 2014
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