When two people of the same gender have sex. The equivalent of 'getting laid' for heterosexual peoples. This is a much easier way of saying homosexual/lesbian relations and a lot more eloquent than "man/lesbian sex".
Edward: "Dude, I totally was Mark's wingman at a gay bar last night!" Anthony: "Really? Man that would've been new!" Edward: "Yeah we were there all night, he really wanted to get glayd!" Mark: "Oh you two.."
ayon kay Pixel Thousand ika-08 ng Hunyo, 2009