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to kill someones excitement, killjoy, buzzkill, to inform someone of bad news
guy one: daawg im soooo syced for kevins party this weekend!
guy two: breh, no one told you? Kevin got the flu.
guy one: blowwwn! You always Slice my syce brehhh!!!!
by classyblunt January 31, 2011
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To destroy someones happyness or excitment on a event or something that is happening at the time.
"dude i just got a bonus at work" "man shut up you work at mcdonalds" "dude whyd you have to go and slice my syce
by super man dan January 30, 2011
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