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Am is another word used for marijuana/weed. Mostly used among drug dealers.
Michael: Hey ish you got some am bro?
Ish: Bro I got boxes of am!
by DuskVXI June 22, 2016
Happy St. Patties Day!
Ante Meridian From Latin, "Before Midday." A.M. opposed to PM, Post Meridian or after midday.
by jp February 04, 2004
Happy St. Patties Day!
A.M. or "ante meridiem" means "before noon." Anytime after 11:59 P.M. and before 12:00 P.M. is A.M.
If it is A.M. it is morning.
It's 1:51 A.M. and I should go to bed
by Beast404 September 12, 2006
Happy St. Patties Day!
Amplitude Modulation

a way of applying information (voice or music) to a radio signal, beaten by SSB and then FM.

also: the old broadcast band from 530 to 1710 kHz.
"nobody listens to AM anymore"
by IrishRepublicanArmy October 12, 2003
Happy St. Patties Day!
Someone who doesn't spend there time wisely or doesn't go out very often and is unsocialable.
"What an A.M. he never comes out!"
"Going out and getting nothing? A.M!"
by Kirke February 17, 2009
Happy St. Patties Day!
Short for Amazing. AM is the equivalent to awesome, legit, cool, Koolio, swag, etc. The correct way to pronounced it is A.M. like on a clock.

Alli: Do you like Starbucks?
Tori: Ya! That's AM

Josh: Hey have you ever been to the place down the road.
Jake: Ya. It's AM
by TheGreatWhite February 11, 2015
Happy St. Patties Day!