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1 definition by Ploddy

The unfortunate affliction demonstrated when someone feels the need to state the last word of a 3 letter acronym, as if it wasnt part of the acronym in the first place.
I forgot my PIN number when I went to use the ATM machine!

(translation) I forgot my Personal Identification Number number when I went to use the Automatic Teller Machine machine!

You will note the irony of the Acronym itself, which stands for Redundant Acronym Syndrome syndrome, which is a RAS syndrome itself!
by Ploddy March 20, 2006
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