Top definition
A mouse that you haven't given a name to yet.
A: Here's my pet mouse.
B: Aww, cute. What's its name?
A: Dunno yet.
B: Ah, an anonymouse.
by Tim XYZ November 09, 2003
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  • anonymouse.ninja
3
a word substition for anonymous because uneducated asses can't spell it right.
When u votehd for mee as teh uglyest persun in da clazz, whyy did yew check teh b0x taht saiz anonymouse?
by britt November 10, 2003
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4
People (typically n00bs) who insist on posting anonymously to online communities, usually just to cheese non-anonymous people off.

The singular form is anonymouse.
#1: Dang, those anonymice are annoying.
#2: You said it.
by Jordie June 04, 2005
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5
A mouse on a public computer. Wash your hands.
Doctor: "You seem to have diarrhea."
Patient: "Damn, must have been the anonymouse."
by diatrevolo November 09, 2003
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6
Mice that live under cupboards and in the walls because they don't want anyone to know who they are. wait, don't all mice do that?
Antonym- Micky Mouse
by Domenique November 10, 2003
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