loadkill

A mangled heap of something that has fallen from the back of a vehicle onto the road.

That mattress is going to be loadkill in about ten seconds if you don't tie it down.

loadkill

A physical or psychological distraction that terminally interrupts sexual intercourse in such a way that the activity ends without climax , especially imminent climax.

I was all over him, but his Eddie Vedder tattoo was a real loadkill. I had to excuse myself to use the toilet. Translation: I headed straight out the backdoor and went home. I did use the toilet eventually, so I wasn't being dishonest.

Dude, I love ya and whatever but when your drunk ass knocked on the steamed-up windshield, you loadkilled me beyond recovery. Not cool.