snork

verb: snork, snorked, snorking, snorkage
noun: snork, snorkage

When you and another lad grab each other by the elbow joint (420), then proceed to run up behind an unsuspecting individual, and with your conjoined arms impact their ankles, thus flipping them onto their back. This is usually proceeded with the phrase, "You have just been snorked".

"Damo and Keith snorked Karen on the weekend."

"Riley felt that there was some snorkage to perform in the room."