McMother Fucker 

Someone who is a super sized mother fucker, as in super sizing at McDonald's.

"So, he came to the party, brought all his friends, drank all our beer, and left. What a McMother Fucker."

McMother Fucker by Jackie McNasty May 21, 2009

mcnotherfucker 

Another one of those scoundrels.

Those mcnotherfuckers are up to the same old shit. Those mcnotherfuckers over there would think so.

mcnotherfucker by Autumn Moon November 14, 2023