On online forums, PMs is an abbreviation for Private Messages.
Susan had PMS, and thus wrote angry PMs to other members of the message board.
by Ralph March 23, 2005
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period mood swings
when girls have there periods and get all moody
that girl is deffanatly pmsing
by chrissy March 2, 2005
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Definitions:
(i) Prime Minister
(ii) Private Message
(iii) Personal Message
(iv) Post Meridiem

(i) is usually used iRL;
(ii) is usually used on forums or chatrooms (eg. iRC)
(iii) is uncommon but still used by some people.
(iv) used commonly for time.

See also: PrivMSG

Other non-Urban definitions: (used iRL)
* particulate matter
* past master
* police magistrate
* postmaster
* postmistress
* postmortem
* prime minister
* provost marshal
* etc...
(i) Example:
"Oh my god, the new PM sucks, I shouldn't have voted for him!"

(ii) Example:
<Shinosuke> Check your PM. I dont want everyone to know.
<Person1> Ok... ... wait...
<Person1> ...
<Person1> HAHAHAHHA~~ hey everyone! Look at this!!
<Person1> <Shinosuke> user: Shinosuke
<Person1> <Shinosuke> pass: iRn00b
<Person1> HAHAHAHHAA~~ What a lamer!
<Shinosuke> . . .
* Quits: Shinosuke (Shinosuke@SomeIRC-2BE662.56k.xtra.nz) (Reason: Too lame.)

(iii) Example:
"I got a PM (Personal message) from my boss today!"

(iv) Example:
"It's now 14:23, 02:23pm"
by Shinosuke May 13, 2004
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Short for prime minister (Teresa May) this word describes someone who royally messes up all the time and no one likes them.
by <3mark March 31, 2019
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Special time of the month that gives a woman strength of an ox, the stability of a one-legged stool, and the scream of a banshee. basically mans worst nightmare.
when shes pmsing you better stay away
by carol545 January 3, 2007
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PM = pretty much, orgin is just shorten language
"So you like basketball?"
"pm"
by brad February 15, 2005
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