mcdicks

The original MacDonald brothers were named Mac and Dick MacDonald, thus the restaurant is now more commonly referred to as McDicks.
*mindblown*

aye, u tryna get mcdicks?
yeah bro, i haven't had it in a minute still.

McDick's

Abbreviation of McDonald's as the name Donald is sometimes synonymous with the name Dick.

"Lets go to McDonald's, I mean McDick's.. because Dick is a better name than Donald."