Sure, Kate McKinnon plays Justin Bieber, so it’s not technically two men kissing, but the joke is still groan-worthy: Barack Obama kissing Justin Bieber in order to promote Obamacare.
In this 2001 episode, Horatio Sanz and Chris Parnell — as Elton John and Eminem, respectively — parody the duo’s “Stan” performance before ending with a hug and, yup, a passionate kiss.
In “Troll Bridge,” James Franco plays a troll who refuses to let a couple pass until one of them kisses him. It’s not Aidy Bryant who kisses him, but Kyle Mooney.
Tom Green’s 2000 episode included him kissing a man in the monologue, sharing a bathtub with Lorne Michaels, and then making out with Will Ferrell in a bird-watching sketch. The video, fortunately, seems not to exist on the Internet, but you can get the gist of if here.
In that same Tom Green episode, there’s a pretty funny sketch with Will Ferrell and Chris Kattan as Air Supply… until it, too, ends with a lip-lock.