When the kids won't leave the goddamn house, and the only place to get rocks off with the old lady is in the boat your uncle gave you parked in the yard.
Yo man, Jane wanted to shag earlier but the kids were home. So we had us some yard boat sex.
A meme originating from reddit after Game of Thrones leaks suggested that two beloved characters would have incredible sex with each other in season 7 episode 7 of the series on some sort of marine vessel. When the same script leaks came to be true of preceding episodes, it became more clear that "#EPIC BOATSEX" (or "BOATCEST") was imminent. As of August 21, 2017, the world awaits for the official airing of the episode.
Guy 1: hey bro stopshipping Jon and Daenerys, she's his aunt that's incest
Guy 2: STFU you fookin kneeler, #EPIC BOATSEX is happening whether you like it or not!!