dude

1. A man, generally a younger man. (US, colloquial) · So we were at the mall and these two dudes just walk up to us and say "hi".
2. A term of address for someone, often but not exclusively a man, particularly when hailing, cautioning them or offering advice. (colloquial) · Hey, dude, how's it going?· Dude, I'd be careful around the principal; he's having a bad day.
3. A tourist. (slang)
4. A birder who has expensive clothing and equipment, but scant knowledge of birds, their fieldmarks, habits, etc.
5. In the west, a city slicker with scant knowledge of horses, cattle, or frontier survival. (US)

Plural dudes