Happy Birthday to MOO Happy Birthday to Moo
With a cowculator!
A Moo - nwalker
A: The same reason they sing Hymns instead of Hers!
Hammy' - as sung by Al Jolson!
Happy Birthday To Gnu!"
HE SAYS MOO oh wait this joke totally doesn't work in text
molybdenum monoxide MoO
x-post from /r/tax) A present liability!