Boxing Star Peter Quillin: Meek Mill Is A Horrible Fighter ... He'll Need A Gun To Survive Prison

Meek Mill will get the crap beaten out of him if he goes to prison for his probation violation ... the only thing that can save him is a shiny piece ... so warns boxing superstar Peter "Kid Chocolate" Quillin.

KC went on TMZ Sports TV and scoffed at Meek's feeble and reckless boxing moves.

If you're big into self-defense you should watch closely on what NOT to do.