The act of speeding just after escaping from an area of densetraffic. Flooring it after you pass the car in front of you often leading to speeding tickets or warnings.
"Jim got pulled over yesterday for freedom speeding on the freeway."
"Freakin cop pulled me over when i was only freedom speeding for ten seconds."
When you're walking/riding/driving so slow that you get aggraveted by the situation, so you say "I'm speeding like a plum!". Since plums can't speed at all the direct meaning is contrasted in a sarcastic definition, emphasized as going so slow, almost stopping.
(carrying Corey in the bike)
Corey: Hurry up Tim! We're late for the soccer game!
Tim: I can't! I'm doing the best I can but You're too heavy.. we are speeding like a plum!
When someone farts in the car while driving and traps you by locking all the windows so you can't breathe. Victims are forced to open the doors to gain fresh air while avoiding death by fart or other moving vehicles.
I was in a Speeding Car Fart Trap the other night. Jon kept farting and locking all the windows and we were forced to open the doors while he was driving. If I didn't open the door to get some air I would've thrown up!
An alternate version of the word speeding, used chiefly by corporate whores, Wifeswap contestants and people with severe retardation (esp. sufferers of Angelman Syndrome).