bosh

Short definition from Wiktionary

Noun

1. 1
   Nonsense.
2. 2
   The lower part of a blast furnace, between the hearth and the stack.
3. 3
   A figure.
4. 4
   A fiddle (musical instrument).

Interjection

1. 1
   An expression of disbelief or annoyance.
2. 2
   An expression of speedy and satisfactory completion of a simple or straightforward task.

Verb

1. 1
   To consume (illicit drugs).

Proper noun

1. 1
   A surname