Related Clues:
- One may be suppressed in class
- Droning lecturer, e.g
- Droning lecturer, say
- Total snoozefest
- Fail to stifle one's boredom
- Iconic k.d. lang album of covers
- Dry-as-dust sort
- ___ and drop (mouse action)
- Tidal flood is a nuisance
- Drill a hole in
- Go on a little too long
- Put to sleep, perhaps
- ''Ho-hum!''
- Monotone lecturer, say
- Long inhaling of a cigarette