1 definition by notamoocow

Top Definition
a strike up word. usally used on aim by guys who are too scared to talk to the girl they like or incredibly hyper people. also a great word to use if someones talking to you and you dont want them to.
john: moo
Jane: wtf?
john: idn wat^
John: cool ... so on and so forth till the girl realizes wats happened and thn has to leave all of a sudden

Kyle: hey
jon: moo
kyle: wat
jon: moo
kyle: ok i g2g fag
by notamoocow April 16, 2005

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