I'll rob Pun without a gun, snatch his piece then run
This nigga weigh 400 pounds, how he gonna catch me, son?

from 50 Cent (Ft. The Mad Rapper) – How to Rob Lyrics on Rap Genius

Meaning

Big Punisher was quite the large fellow:

Fun Fact:

This is the original line, but 50 changed it for: “We rob niggas for fun, snatch your jewels and run, This is how we do it, son, rest in peace to Pun”. He did it because Pun passed away and didn’t want to insult a dead rapper. When ‘'How To Rob’‘ came out Pun was still alive so saying “rest in peace to Pun” wouldn’t have made any sense back then.

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