":)" - For a toothy grin
"Yes" - for agreement
"No" - to disagree
"Yay" - for an over-the-top celebration
"BlowKiss" - for some Uni-Love'n
"Toot" - to Toot. Fart.Pass Gas. Break Wind. Float some Brownies. (insert gas related euphemisms here)
"Wave" - for a big hello or goodbye (you pick!)
"Die" - to temporally kill your little buddy and make a little girl cry (YOU MONSTER!!!!)