'Bachelorette' Contestant -- Warns 'Rape Joke' Guy ... You Mess with Kaitlyn, You Mess with Canada!

Freshly booted 'Bachelorette’ contestant Shawn Evans wants Ryan McDill to man up and apologize for his drunken banter -- including the "rape" comment -- or he’s taking matters into his own hands.

Evans – who pulled up to the bachelor mansion in a hot tub car -- says he’s “disgusted” with McDill’s unapologetic remarks and sexually aggressive behavior with "our Canuck Bachelorette.”

He has given McDill a deadline for a public apology – the end of Monday’s episode. If McDill does not comply, Evans says he will “MAKE him apologize for his actions.” Exactly how, we're not sure.

Evans says he feels a responsibility to stand up for bachelorette Kaitlyn and all his offended fellow Canadians … even though they didn’t spend a ton of time together because he was nixed on one of the first episodes.