there are endless definitions; it can mean anything at all if used in the right context. it can express happiness, excitement, sadness, confusion, anger, etc. it is an exclamatory word that can be used in basic conversation, to replace words such as "wow" or "oh".
by Cumb3r November 20, 2010
 Get the Meepmug.
Get the Meepmug. A filler-word, akin to "like" and "you know." It may be used to substitute swear words or greet a person hello.
by meepmeepmeepmeepmeepmeep November 14, 2009
 Get the Meepmug.
Get the Meepmug. by Peeves April 11, 2004
 Get the Meepmug.
Get the Meepmug. The art of 'meep'ing occurs when a person uses the term in the form of onomatopoeia. The word itself is just a sound that is used to avoid awkward silences or to brighten up the mood of an individual.
Matt: meep! 'Matt was 'meep'ing on the long car journey home to avoid any awkward silences.
Matt: meep! 'Matt was 'meep'ing as he enjoys the art of 'meep'ing and does it to pass time.
Matt: meep! 'Matt was 'meep'ing as he enjoys the art of 'meep'ing and does it to pass time.
by Matttyboy December 21, 2012
 Get the Meepmug.
Get the Meepmug. by Meep Chan March 30, 2003
 Get the Meepmug.
Get the Meepmug. The sound created as a human is prodded/poked/touched with something cold or sharp or even startling. 
Began years ago, about 4, online in a mad craze on a game.
Began years ago, about 4, online in a mad craze on a game.
by Falcion May 6, 2004
 Get the Meepmug.
Get the Meepmug. 