Republican presidential candidate Donald Trump is demanding an apology from former Mexican president Vicente Fox over Fox's strong use of language in regards to the wall Trump wants to build at the border if elected. Which is pretty funny, considering Trump's own affection for f-bombs.

"I"m not going to pay for that f***ing wall. He should pay for it," Fox said in an interview earlier this week with Univision and Fusion.

Trump, who takes every opportunity to insult anyone who opposes him in any facet, responded to Fox on Twitter, declaring outrage at the former Mexican president's language and demanding an apology.

Oh really, Mr. Trump. Because it seems like in a 2011 speech, you weren't so sensitive to the dropping of F-bombs:

Oh, and then there's the time Trump said, "Listen, you motherf***ers, we're gonna tax you 25 percent," while discussing China: