Quaff is informal and often used in friendly, casual conversations or in literary contexts.

Informal Usage

Using 'quaff' typically implies drinking with gusto and often a positive, hearty enjoyment of the beverage.

Positive Connotation

'Quaff' suggests drinking large amounts quickly, more than sipping or taking small mouthfuls.

Volume and Speed

 TED talk it was all the hair was perfect it was blessing it was quaffed just so but you made an interesting choice you told the Ted audience that they might be part of the problem you don't do that at Ted haven't you tell the Ted audience