Yeah, easy, just insult your girlfriend while she's in the car, that'll do it for sure!!!

:
Ok, go to Home Depot or Craigslist and get one of those $20 2 gallon portable air tanks, then mount a switch to the throttle so it only comes on momentarily when you let off the gas.
Connect this switch to an air solenoid valve that has its exhaust near the throttle body.
OMG I can't believe I just told someone to do this. RLOL