like a power lift but with your anal muscles
ROB: did you hear craig shit his pants yesturday.
JOHN: how the stupid fuck do that.
ROB: he had to fart n it wouldnt come out so he start power fartin n a shit came out
JOHN: hahahahah what a fuckin douche
When the electricity shuts off for a brief moment that is just long enough to cause inconvenience or interruption.
"I had to retype my e-mail because my PC briefly shut off due to a power fart."