The list is long and distinguished but here are a few that are tied for the top (no pun intended) honor....
The story of the Tom Platz wig.
Sergio Pump
The pic of Vince French kissing Vissy
Kai fucking a grape fruit
Kai, DA and Cedric all strip dancing for schmoes. Extra credit to Cedric for the photo of his cock under the towel.
The coke machine on the 7th floor of the Mirage.
Ric Drasin IMDb profile.
BayGBM
Shizzo sucking cock
And the number one gayest thing posted on getbig, without further adieu, is Tbombz bunnysuit/HIV chronicles...
Honorable mention goes to Prime Muscle
Posthumous award goes to Tim Faggerty.