Probably went down something like this:

Mahmoud: "Hey Farhad! You suck so bad as a pilot that you'll probably just crash land your Mig-25 in to Iraq!"

Farhad: "Your sister is an ugly goat, Mahmoud! I'll bet you 100,000 tomans that you can't shoot down that American-Capitalist-Pig-Dog Predator Drone flying over there!"

Mahmoud: "Better break out your wallet Farhad, hold my beer and WATCH THIS!"

Farhad: "Ha! You missed that drone by 300 meters! The American controller is laughing at you right now! Suck it, Mahmoud!"

Mahmoud: "I hate you Farhad, almost as much as I hate this Russian crate."

Farhad: "Maybe would should become friends with the Americans again and get some of the good sh!t."

Mahoud: "Who would we shoot at ? The Americans are friends with everyone."

Farhad: "Mahoud, you can't hit sh!t, so shoot at whatever you want."

Mahmoud: "I still hate you, Farhad."