- A domesticated animal from Tibet mainly reared for its butter
- (to indulge in) incessant talk, idle chatter. The word imitates the sound of monotonous, grating and/or inane speech. Nowadays variants of the verb form such as ‘yak away’ or ‘yak on’ are often preferred.
- a laugh, joke or instance of humour. Yok is an alternative form, favoured in fashionable journalism.
- cognac, brandy. The use of the term reflects a vogue for expensive cognacs among US rap and hip hop stars, such as busta Rhymes and puff daddy, from 2002.