The collective name for both a user name and password for any sort of account you have to "log in" to.

Returning to Pooh Corner while riding on the horses, yea-yea.

The sudden onset of singing Footloose in a public place

This is a term used to describe extremely hot temperatures, usually anything above 100 degrees farenheit. In the 80's, Kenny and his band came out with the song "The Heat is On...On the street"

Expelling solid log shaped excrement from the anus.

Doing a poo