Been around for at least 12 years that I know of - so how new is new? Possibly from 'yea' rather than 'yeah'. Pronounced like 'yea' but with a different intonation. 'Yea' goes with things like 'verily', whereas 'yay! has an exclamation mark built in and goes with things like 'pub!'.
Jun 20 2006, 12:34 PM