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 ChaddsFordJunky November 12, 2010
getting drunk and/or high that you can hardly stand
Tonight I'm 'bout to get slizzard
by sosohood_nigga November 08, 2007