To commit suicide.
Very little/nothing. OR if something is useless.
Used at the start of a lot of sentences, usually when disagreeing with someone
1)To sleep. Conked out = sleeping heavily. 2)For a car to stall/stop suddenly.
Your nothing and you'll never be anything
Extreme reactions, craze: (great excitement/enjoyment or panic/shock/anger etc.)
Don't mention something unless someone else brings it up first.
A fool/odd person
A person from out the sticks aka buffland