Here 2 quake scripts dedicated for who like say say say in the quake console.
The first one bind a key and store inside itself the song of the legendary earth wind and fire "The world is a masquerade". Everytime you press a key a line of lyrics will be show in the console.
The second scrip is just a menu and it use the keys from 1 to 9 and 0 to go back. For each key will be execute a say with your sentence.