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.
1) "Bro you cannot possibly be acked." 2) "We acked a few bowls ma nigga." 3) "Yo man I'm tryna rock out, did you bring some ack?"

*note one cannot reach the level of Ackerman
by Jujuthegiant November 10, 2013
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The basic blocks of the Martian language from Mars Attacks.
"ACK ACK ACK, ACK! ACK ACK ACK ACK! ACK." - Martian Ambassador
by Martian Ambassador August 01, 2017
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inconspicuous nickname for marijuana, esp. when used with parents/police present. Can also be used as a verb (See example below)
N.)- Yo lets go get some of that dank ack ack from that kid down the street.
V.)- Im gonna go take a cruise and ack it up if you wanna come.
by ThaStonedGecko January 23, 2007
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Hawaiian slang term.

Definition 1: Stop showing off.

Definition 2: Stop behaving like that.
1)Guy 1: I can drive mo faster den you! Guy 2: No ack brah!

2)No ack lydat.
by mynameisdakine May 30, 2005
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