Rootbeer.
or
His breath.
or
Because they don't fit on a ironing board
or
Billllyuns and billllyuns. Light bulbs are part of the interstellar "goo" that pervades our universe; they are star stuff.
or
He made an illegal ewe turn.
or
So I went - and I got it.
or
The barman says "I'll serve you, but don't start anything"
or