English - Etymology
- Colloquial butty (1802), meaning companion, also the form of an older dialect term meaning workmate, associated with coal mining. Itself believed derived from booty fellow (1530), a partner with whom one shares booty or loot. 
English - Pronunciation
- IPA(key): /bʌ.di/
- Rhymes: -ʌdi
English - Noun
- A friend or casual acquaintance.
- A partner for a particular activity.
- An informal and friendly address to a stranger; a friendly placeholder name for a person one does not know.