Definitions by Vinny Liggio

counterfart 

When you hear someone near you fart and you blast out a much louder and more powerful fart in retaliation.

You walk in to wake your son up in the morning and hear him fart....you blast out the counterfart in return....son laughs "Ah Dad you won with that counterfart!"

counterfart by Vinny Liggio February 8, 2009