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2.
being intoxicated by promethazine codeine syrup, also known as sizzurp.
I was chillen and sipping on some sizzurp watching the football game and before I knew I was txtin my boy to get slizzard with me like a g6.
by RoxicontinFeener November 12, 2010
 
1.
getting drunk and/or high that you can hardly stand
Tonight I'm 'bout to get slizzard
by sosohood_nigga November 08, 2007