":)" - 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!!!!)