When you toss a banjo in the garbage and it hits an accordion.
or
Plug its nose.
or
Her mom told her to bring in an apple for the teacher.
or
Because they dribble!
or
A buck.
or
Take the words out of his mouth
or
WHAT?
or
Just one more, guys, I promise.
or
Two. One to change it and one to act as chaperone.
or
but you accidentally say Mother.
or