Retrorocket 

When one has diarrhea and just barely makes it to the toilet. The pants are down. However, the firing commences and accompanies the descent before contact is made with the seat.

I don't know what I ate, but it just ignited a retrorocket.

Retrorocket by Gummy Beers August 12, 2018

Retrorocket 

Straight up all around good.

John- Wow you're so retrorocket.
Katie- Thanks John so are you.

John- What a retrorocket day.
Katie- Couldn't have said it better myself.

Retrorocket by armtisbow May 19, 2014

rektorocket 

One who drives his dick up another male's asshole.

That rektorocket shoved his cock so far up his ass, that it was red for days.

rektorocket by Greg Frank October 7, 2003