A series started b YouTube Channel JacksFilms, to answer questions in the most humorous and stupid way possibly. JackAsk has almost 100 episodes. This is very similair to a QNA, yet its mostly his fans asking him why he is gay (which hes not, or is he? dun dun dunnnn) or why he has a big forehead.
You have your left turn signal on and are clearly trying to merge into the left lane; instead of slowing down to allow you to change lanes, the Jackwacker behind you speeds up to block your access. This guy is a complete Jackwacker; he sucks at life.
A homosexual activity, which involves an individual "Jacking off" a minimum of 10 other gentlemen in a single night/party/event. Only once all 10 men have ejaculated can the act be called a Jackzacker.
Brad: Last night at the club i Jacked off 15 blokes
Shane: thats a great Jackzacker-ing
Brad: yep once I hit 12 my right wrist got sore so I had to use left
Shane: is that a record?
Brad: yep my jackzacker record was 13 not its 15!