To hit the acceleration pedal (or, in the US, gas pedal) to such extremities that it is parallel to the floor of a car. i.e. Hit maximum speed as quickly as physically possible.
That fucker's getting away, FLOOR IT!
Pressing the gas pedal to the ground of the vehicle you are driving... mainley used in older vehicles, or Dodge's. Also can be used at the end of every sentence you say, just as a period would be.
Dude your stuck Floor it
Cops! Floor it
Slow down Floor it
Here comes Elton John Floor it
Go... now! to speed up and be atentive in traffic on the road and highway
Driving down the road, passenger todd yell's floor it to the driver.
The act of deficating on the floor. Typcially as a practical joke at a place of buisiness.
-Keith went to walmart to floor it today.
-Ugh, I'd hate to be the one to have to clean it up!