ttydtc
An acronym for "Talk To You During The Commercials." Used mainly over IM by those who are too addicted to certain T.V. shows to even attempt to multi-task. 
bobrules: my away message says "watching 24 - don't expect a response" 
bobrules: but you can ignore that for a minute, it's not on yet
swooshx: ...ok
bobrules: so how was your day
swooshx: well, i'm glad you asked
bobrules: WAIT IT'S ON!!!
bobrules: ttydtc
swooshx: u suck.