Ambiguously Gay: Professional Wrestling aka: Pro Wrestling
The WWE tag team Billy & Chuck were ambiguously Manly Gay, from being spotted backstage oiling each other up and doing bizarre stretches, to their shiny red trunks and matching personalized headbands, to their boy-band entrance theme. This became less ambiguous when they planned a gay wedding, on television — and then became outright subverted when they stopped said gay wedding to declare that the whole thing was a publicity stunt, and they weren't really gay, just Heterosexual Life-Partners.
Their manager Rico, who took their gimmick AND their theme song to whole new levels. The You Look So Good To Me theme has been used time and again in the WWE to mark a character as non-heteronormative. See Marella, Santino.
While The Brooklyn Brawler's onscreen persona has always been a tough guy, an Urban Legend amongst longtime wrestling fans is that Steve Lombardi is gay, rumored to be in a relationship with Pat Patterson.
During a D-Generation X run, Triple H and Shawn Michaels seemed to pass off as convincing Heterosexual Life-Partners at the very least. They only even somewhat pass because most viewers don't remember the original DX, where there was very little heterosexuality to be had, between Shawn kissing Hunter on national television numerous times and Hunter's infamous "bi" quote:
Goldust from the WWE, even though his homosexual overtones are primarily mind games he plays with his opponents. One notable example is his feud with Razor Ramon, where in one match he rubbed Ramon's chest and freaked him out.
Too Much had "Too Sexy" Brian Christopher and Scott "Too Hot" Taylor as tag team partners who were very concerned about each other's safety. Billy & Chuck's "wedding" angle was originally planned for Too Much, but was vetoed by Jerry Lawler (Brian Christopher's father) who was afraid his son's career would never recover. However, they found more success when the then-WWF repackaged them as the Pretty Fly for a White Guy team Too Cool, Grandmaster Sexay and Scotty 2 Hotty and put them with Rikishi, and it got over much more than Too Much had.