drop off

verb drops off · dropping off · dropped off

1. idiomatic, intransitive To fall asleep. After two glasses of whiskey, Tom soon dropped off in front of the television.
2. US, especially, idiomatic, transitive To deliver; to deposit or leave; to allow passengers to alight. Can you drop the kids off at school?
3. also, figuratively, transitive To drop from, fall from. The leaves were slowly dropping off the tree.
4. also, figuratively, intransitive To drop, fall. The leaves hung on until the end of November, then dropped off quickly.
5. figuratively, intransitive To end a connection with a telephone queue, either by hanging up or after being served or processed. As soon as a caller drops off, we'll have an open line and maybe you can reach us then.
6. intransitive To lessen or reduce. Near-synonyms: taper off, dwindle
7. dated, intransitive, slang To die.
8. slang To abandon or give up on (something); to be abandoned or given up on. My lawyer said some of those charges will be dropped off.