The phrase you use when you have to do an extensive amount of work, that is ultimately pointless.
John: What do we have to do in Language Arts tonight?
Isaac: Every toilet, every ceiling fan.
Something relating to garbage as well as a male genatalia. Usually used in derogatory sense; Implies something that is not in one's favor.
Lucas: Dude, that was the stupidest lag I have seen ever.
Jason: Yeah man, that was garbo-dicks.