The sound that comes from a horny rat. Sometimes it is also called by hyperactive little boys when attacking innocent bystanders.
by Horny Rat Tamer September 01, 2008
Get the nengmug. a universal adjective, noun, verb, phoneme, sound, or general utterance that can be used when words simply cannot suffice.
"I'm so mad! NENG!"
or sometimes, you can't even use words, simply, "Neng! neng neng... neng."
"I whip my neng back and forth!"
or sometimes, you can't even use words, simply, "Neng! neng neng... neng."
"I whip my neng back and forth!"
by thematherbat June 13, 2012
Get the nengmug. The origin of meaning to become an all powerful being.
With its origin coming from power it makes people shiver in its hearing.
Being such an awesome word it is used in secrecy that only those with this name will only understand its true potential.
With its origin coming from power it makes people shiver in its hearing.
Being such an awesome word it is used in secrecy that only those with this name will only understand its true potential.
by dragoninja May 30, 2015
Get the nengmug. 
Originated in Bolton, in the North-West of England, it is a phrase you proceed to shout after doing something impressive or stupid...
Or both.
Or both.
by nengnengspv May 02, 2018
Get the NENG NENGmug. by Experiment March 03, 2008
Get the Nengmug. a; (adj) To be generally bad, low grade, shit.
b; (noun) An isult similar to loser, idiot, or pussyhole.
c; (noun) A friend, specificaly a fellow road man or urban brotha.
b; (noun) An isult similar to loser, idiot, or pussyhole.
c; (noun) A friend, specificaly a fellow road man or urban brotha.
by Billy 'words' Johnson December 17, 2009
Get the Nengmug.