cheddar becky Share definition Flag One with braces who gives painful blowjobs. Also known as a "cheese grater." Man, that girl gave me some painful head last night." "Dude, didn't you know she's a cheddar becky? cheddar becky by wite-pw'r August 29, 2010 0 0 Get merch Get the cheddar becky mug. Buy Now — $32.95 See more merch