The piece of firefighting apparatus in which REAL firefighters ride.
Hes not a pussy truckie so he rides the fire engine.
by TWP325 February 04, 2009
An enthusiastic fast thrusting penis coated with menstrual flow.
"I thought Johnny might be grossed out when I told him I wanted him real bad even at this time of the month but he wanted it as much as I did and became a real fire engine. I've never come so hard."
by Fiona BR June 18, 2017
The act of having sex with a woman who is on her period.
I was having sex with this chick last night and I pulled out and it was fire engine
by tc_packers March 25, 2011