blow your lunch Share definition Flag To puke. To vomit. To spend a while driving the porcelain bus. To expell the contents of your stomach violently. Leonardo de Crappio is so effeminate, he makes me want to puke. blow your lunch by Cap'n Bullmoose April 19, 2005 0 0 Get merch Get the blow your lunch mug. Buy Now — $32.95 See more merch