doom sex 

The feeling of looking into a significant other's eyes, recognizing that the relationship you are engaged in with this person is ending, and realizing that in all probability the significant other is thinking the same thought, and then engaging in said sex in a, perhaps slightly detached initially, but eventually generally passionate, sex act.

I knew that we were going to break up after we had our first doom sex after only a month and a half of dating. It just wasn't going to work

doom sex by garygarygarygarygarygarygary September 7, 2013

Flaming Butt Sex of Doom 

When a man lights his swollen phallus on fire and proceeds to stick it in the rectum of his partner.

I got a third degree burn on my cock after giving my wife the Flaming butt sex of doom

Flaming Butt Sex of Doom by Sugarbombs August 2, 2006

doomsexual 

likes women and transgenders only.

this man likes women and transgenders so that must mean he's doomsexual

doomsexual by kiravondoom May 10, 2019