Baaa
1) Noun:

A person who is prone to making mistakes, or is in a difficult situation.

2) Verb:

To make a serious mistake.

3) Exclamation:

A word uttered after making a serious error or mistake, or in reaction to one.
1) Piyush is a baaa.

2) Piyush, you've baaad it hard.

3) "Piyush, I heard Hull is the worst place in Britain to live" ..... Piyush replies: "Baaa!"