Donald Trump My Fans Are The Best Bullies in The U.S. of A

Donald Trump says his fans can deliver a nasty tweet like nobody else ... especially when directed at Megyn Kelly.

The Donald sat down with the Fox anchor and made it clear ... his supporters come out guns a blazing when he's embroiled in a feud. Megyn called Donald out on retweeting some of the more aggressive posts aimed at her, to which Donald replied he knew she's been called MUCH worse.