Donnell Rawlings Defends Shannon Sharpe Over Viral Walk, Impersonates Too

Play video content TMZ.com Shannon Sharpe made himself a meme this week by simply walking into a business -- but Donnell Rawlings thinks we should cut him some slack, even though he's here to roast too. We caught up with the funnyman in NYC on Wednesday -- and he had his own 2 cents to add to the viral conversation ... including a staunch defense that's layered in comedy. Check it out ... Donnell explains why…