Everyone gets a kick out of less-than-savory medical abbreviations (like GOMER: get outta my ER) but somehow I'd never heard this one.
WNL = We Never Looked
Short, sweet, and totally true half the time lol
PS: here are a couple more lists of funny abbreviations. I am particularly a fan of CTD (Circling The Drain), LOL (Little Old Lady), and TTJ (Transfer To Jesus - which I wish more of my patients would do).