MARINADE! Share definition Flag to be used with the term "BEEF". when you have a problem with someone or something but you wait for the right time to "cook" the be "BEEF" so you marinade. man i had some beef with this foo but i hade to let that shit marinade!! MARINADE! by EDyZZLe July 28, 2004 0 0 Get merch Get the MARINADE! mug. Buy Now — $32.95 See more merch