A. Most often a gesture of good faith by a parent who is faced by a number of screaming children demanding to go play in what us adults know better to be nothing more than a public children's washroom.
B. Taking a S**t.
A. "Help me find my keys, I really gotta take the kids to the pool!"
B. "Help me find the toilet paper! I REALLY gotta take the kids to the pool!!"
Most often, a band of little musical talent or significance whatsoever. Usually, the type of band which your one crazy, musically incompetent friend listens to and rips guitar tab from off the internet in an attempt to impress others who could not tell the difference between a Really Shit Band and the sound of their own head imploding from horrible sounds the rest of us are subjected to.
I kicked Mark in the balls and he sounded like a Really Shit Band.
A completely irrelevant word, most likely something which will end up with you being questioned about the level of your sanity. Also, would probably be an interesting word to call out in the middle of an important business discussion.
Bob: "So what do you think of this year's statistics?"
Bob: "You're an idiot."