so its a little late but the sound i make it ptwowww. although I say it, i believe it is more a random sound than a word. it has great versatility. I use it in positive situations, like answering a tough question "PTWOW" or negative ones like getting a bad quiz back a short little ya well ptwow sums up the mellen collie feeling. the othery day in anatomy i said ya well ptwow to warnke when she made a comment about a quiz or something and even mr berry enjoyed it. annnnnd ptwow