ack is a term to describe that incredibly uncomfortable feeling you get when a situation is horribly embarassing and/or awkward.

Verb: Brookline bros gaming with great strategy late at night

The sound you make when you choke on soda.

The sound a girl makes when she chokes on a guys skeeze.

It is like hacking, but acking allows you to forklift cars into the water, Use your phone to drive the car out the water, hack everyone's phone to make sure they don't vote for Donald Trump, and even 3d print lethal weapons while making sure DEDSEC's enemies (I'm talking the NSA, the reptilians, their fierce competitors anonymous, and Donald Trump) doesn't find out.

The term was first coined in the watch dogs 2 world premiere announcement e3 2016. Some of the developers still aren't fully comfortable with the new term, but the creative director for watch dogs has already fully adopted acking into his vocabulary.

ack is another way of saying "meh", but it sounds german. You can say it if youre annoyed with someone. Or, if you don't believe somebody.

1) (adj.) Being as high off of marijuana as the famed Rob Ackerman. 2) (v.) The past tense process of smoking. Synonym with smoked, bowl, weed, kush, etc; terms deriving from marijuana and marijuana paraphernalia.