Luis Castillo traded to the Baltimore Orioles - I give it an F

[Sibelius Hindemith]

Yeah, but if you just say PIN it seems to confuse a lot of people and if you say PI number it sounds like you're referring to the geometrical constant.

[Michael K.]

You need your PIN number for the ATM machine (M = machine), Michael.

[Millikin]

Abbreviations take on singular meanings of their own, so I think it's okay to add "number" to PIN Number and it's also OK to say "RBIs" even though RBI stands for runs batted in.

[mostonmike]

Abbreviations take on singular meanings of their own, so I think it's okay to add "number" to PIN Number and it's also OK to say "RBIs" even though RBI stands for runs batted in.

So it should be RsBI ? Damn, we've all missed that for years then.

[Millikin]

Abbreviations take on singular meanings of their own, so I think it's okay to add "number" to PIN Number and it's also OK to say "RBIs" even though RBI stands for runs batted in.

So it should be RsBI ? Damn, we've all missed that for years then.

No I'm saying some people insist on saying "5 RBI" even though "5 RBIs" is fine.

Tuna Fish on the other hand: Unacceptably redundant.