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8.
When something is true, but you don't want to admit it.
Did you really do that?

Shut up!
by MamoMamo201 October 31, 2005
146 125
 
9.
shut·up (shuht-up)
--interjection
1. An expression of disbelief.
2. Amazement; astonishment.

Also,

--adjective
1. An intensive used to express satisfaction, acceptance, pleasure, excellence, exaltation, approval, awe, or reverence- the level of satisfaction is proportional to the charismatic level of the expression.
For instance, you arrive at a boring kids carnival, you'd rather be golfing or fishing, but across the way you see it..."Shut-up, they have blue cotton candy".
by Michael DeFant September 22, 2007
30 12
 
10.
shutup in fact means i love you
jesse, shutup..no really, shutup.
by jen December 03, 2004
55 42
 
11.
A mrod uttered at the end of an arguement by the loser of the arguement.
Odin:
Apollo is a god not a titan.
B.B.McG:
Shutup
by Odin February 01, 2004
22 15
 
12.
what to say if a conversation has gone quiet and it's getting really awkward. also works with lol and cool.
So tanya still wants to get pregnant?

Yeah.

...

SHUT UP EVERYONE!!!!
by jack russell terrier lover April 04, 2011
20 17
 
13.
A much more demeaning way of politly telling someone to shut up.
obnoxious guy: hey! guess what my socks smell like!

other guy: c'mon...shut up...

third guy: both of you shut UP!
by mindfreak94 April 10, 2007
8 5
 
14.
To tell the person sitting next to you not to speak to you in a convincing way.
Person 1: "Hey dude you over there."

Person 2: "yeah"
Person 1: "Shut Up"
by Jwally 35 July 30, 2009
15 15