Flake out
verb
To Fall asleep or to lose consciousness, often unexpectedly.
After working for 24 hours straight, he flaked out on the couch.

Often appears as...
- flake out on the couch
- flake out in bed
Usage tips
Informal
Colloquial
verb
To not follow through on a commitment or responsibility; to let someone down by not doing what you promised to do.
He said he'd help me move, but he flaked out at the last minute.

Often appears as...
- flake out on a friend
- flake out on a promise
Usage tips
Informal, Disapproving
Colloquial
verb
To act silly or crazy.
She started to flake out after drinking too much.

Often appears as...
- flake out after drinking
- flake out at the party
Usage tips
Informal
Colloquial
verb
To Fall asleep or to lose consciousness, often unexpectedly.
After working for 24 hours straight, he flaked out on the couch.

Often appears as...
- flake out on the couch
- flake out in bed
Usage tips
Informal
Colloquial
verb
To not follow through on a commitment or responsibility; to let someone down by not doing what you promised to do.
He said he'd help me move, but he flaked out at the last minute.

Often appears as...
- flake out on a friend
- flake out on a promise
Usage tips
Informal, Disapproving
Colloquial
verb
To act silly or crazy.
She started to flake out after drinking too much.

Often appears as...
- flake out after drinking
- flake out at the party
Usage tips
Informal
Colloquial
Definition 1 of 3

Unexpectedly dozing off
Used when someone falls asleep without planning to because of tiredness.

After the marathon, he flaked out on the grass.
Not Literal Sleep
Sometimes used in a humorous way to describe extreme tiredness without actually sleeping.

I'm going to flake out if this meeting doesn't end soon.
Temporary State
Implies a short period of rest, not going to bed for the night.

He flaked out for a few minutes during the movie.
Unexpectedly dozing off
Used when someone falls asleep without planning to because of tiredness.

After the marathon, he flaked out on the grass.
Not Literal Sleep
Sometimes used in a humorous way to describe extreme tiredness without actually sleeping.

I'm going to flake out if this meeting doesn't end soon.
Temporary State
Implies a short period of rest, not going to bed for the night.

He flaked out for a few minutes during the movie.
Unexpectedly dozing off
Used when someone falls asleep without planning to because of tiredness.

After the marathon, he flaked out on the grass.
Not Literal Sleep
Sometimes used in a humorous way to describe extreme tiredness without actually sleeping.

I'm going to flake out if this meeting doesn't end soon.
Temporary State
Implies a short period of rest, not going to bed for the night.

He flaked out for a few minutes during the movie.
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