Sick Lid Share definition Flag An insult for a racey new haircut with a combination of short back and sides with the top either slicked back or to the side. "Have you seen Harry's new haircut? It's a sick lid""Woah Mitch, that is the sickest new lid!" Sick Lid by buttplugg November 23, 2014 0 0 Get merch Get the Sick Lid mug. Buy Now — $32.95 See more merch