40 burp Share definition Flag The disgusting burp that happens after sipping or chuging on a 40 oz. The worst 40 burps come from Olde English and Steel Reserve. Dam nigga, after that OE i had to 40 burp. 40 burp by Yeee December 16, 2007 0 0 Get merch Get the 40 burp mug. Buy Now — $32.95 See more merch