flake out
Upper Intermediate (B2) informal
To suddenly fall asleep because you're very tired, or to let someone down by not showing up.
"By nine o'clock she'd flaked out on the sofa — it had been a brutal week."
Hear it in context
Test Ride Disaster
The People's Court · 7:06
Oh, that's the flake out?
how april ludgate actually became an adult | Parks and Recreation | Comedy Bites
Comedy Bites · 35:06
April, don't flake out on this.
Swae Lee Live Stream
Swae Lee · 106:50
I think they moving it cuz I had to be here and[ __] Don't flake out, bro.