If Acrobot says "Acronym is YAP" you could type:
/privmsg acrobot :your acronym phrase
NOTE: The colon ":" is required by this java client for private messages to be
sent (yeah we know it is a pain) HINT: drag select /PRIVMSG acrobot :
then hold down the Control key and hit the "c" key to copy that to the clipboard
and paste it into the window with Control-v then type your answer.
/part #channel_nameLeaves the channel named #channel_name
/join #channel_nameEnters the channel named #channel_name
/me laughsSends "YourNickname laughs" to the current channel
/nick TrainManChanges your nickname to "TrainMan"
/whois TrainManShows information for the nickname "TrainMan"
To talk on the channel just type what you want them to see and hit the enter key.