if its hydraulic there could be air in your line. bleed your clutch and refill.
Letting go of the pedal or pushing the gas pedal.
Pushing on the brake pedal
If the pedal is stuck down, no vacuum to the release diaphragm on the pedal
Check the switch on the brake pedal
out of brake fluid?
if you stick it in the fridge
There are several things that can cause your car to spotter when you step lightly on the gas pedal. The most common cause is a lack of fuel. A dirty air filter also can cause the problem.
if you press the pedal to much that is what can cause the engine to flood
Check the switch adjustment on the brake pedal arm.
brake switch located on the top of the brake pedal