1 also flake off [intransitive]
to break off in small thin pieces:
The paint is beginning to flake off.
Use a moisturising cream to stop your skin flaking.
2 [intransitive and transitive]
to break fish or another food into small thin pieces, or to break in this way:
Poach the fish until it flakes easily.
Remove the skin and flake the flesh.
flake outphrasal verb
1 British English
to fall asleep because you are extremely tired:
Phil's flaked out on the sofa.
2 American English
to do something strange, or to not do what you said you would do
flake out on
Kathy said she'd help but she flaked out on us.