A popular technique employed in many first person shooter games whereby the player attempting to perform the skill (the jag), moves around in an erratic, zigzag like fashion, making it difficult for enemies to hit the player.
The term jagging was coined and popularized by the player CurtMACHINEHEAD in the game Gears of War, in which he dominated by use of a glitch known as the "lobster trot" in combination with his jagging technique.
Sniper (frustrated): FOR FUCK SAKE I CAN'T HIT HIM HE'S JAGGING!
CurtMACHINEHEAD: You can't hit me, for I have mastered the black art of jagging.
The phenomena of vigorously jerking off and at moment of climax forcing two fingers down your throat to trigger the gag reflex which allows you to barf simultaneously with ejaculation. It is the combination of jerking-off and barfing, hence Jarfing.
After being single for a year I find Jarfing to be a nice change of pace compared to traditional masturbation.
The act of driving a car with passengers while consuming alcoholic beverages, preferably on gravel roads. Common in less populated area's of the mid-west.
Dammit, the Billy Ray Cyrus concert is sold out. Let's just go jagging.