|337 speak for the word “Absurd”. It is used in instances of exaggerated “absurdness”. As in the level of unbelievability is so high that you become delerious and the only way to convey this emotion is to use the elite spelling of absurd (which is, of course UPsurd). –Upserd may also be substituted.
Mr. Pink is so upsurd to think that mispelling a proper noun is equivalent to purposely using leet speak, that he deserves to be bitch slapped.