Nimbev
Isn't "couldn't make it on Nimrods" just a nice way of saying "chopped"?
You know, as in "Algy is a lovely chap Biggles, but from what I've seen of his flying skill, he couldn't even make it on Nimrod!"
Shadwell
I'm considering trialling "I'm a Nimrod AEO" as a chat up line, but I'm concerned that I'll be asked where I've left my gut for the evening and how I removed the smell of wee.