Top definition
syduunknown
Shut yo daddy up or slap yo daddy up. It's like saying shut up.
Sherwyn:Hey, I just won a million dollars!!!
James:Sydu!

*Retarded human being hollering and screaming*
Person:SYDU!!
#symu#shut up#beanface#sydu#sthu
by SillyRabbitTricksAreForAdults October 11, 2011
33
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    © 1999-2017 Urban Dictionary ®
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    privacy   dmca   remove   help