Leaving someone behind (likely an annoying person) like you would leave a fat chick chatting you up at a bar, usually without said fat chick's knowledge.
Bro Dude: Hey, I thought you were coming with Larry?
Bro Ham: He was taking so long, I fat bitch'd him!
Bro Ham: He was taking so long, I fat bitch'd him!
by MichaelWM December 23, 2007
Get the Fat Bitch'dmug.