priv msg 

short for private message. Often used in online forums or chat networks. It takes a dicussion away from the public room which may be cluttered by intervening messages.

A:"Can anyone help me with this problem I have?"
B:"Yes, please priv msg me"
A:"OK"

priv msg by ExxKA November 30, 2009

PrivMSG 

Abbreviation for "Private Message"

See also: PM

Example:
<Shinosuke> OMG! I got a PrivMSG! I didnt know I have friends!!
<Shinosuke> Hmm.. let me read it...
<Shinosuke> . . .
<Shinosuke> ... it's just someone asking me to go to hell :(

PrivMSG by Shinosuke May 13, 2004