Drop a line.
/dɹɑp ə laɪn/
Drop a line.
/dɹɑp ə laɪn/
To "Drop a line" refers to the act of sending a brief message or letter to someone. This idiom encourages keeping in touch with others, whether through a quick email, a postcard, or a simple text message. The phrase evokes the image of a fishing line being cast out, symbolizing the sending of news or greetings.
Remember to drop me a line once you arrive in London.
The speaker requests to be informed by a message or email upon the recipient's arrival in London.
If you have time this weekend, drop a line to your grandmother.
The speaker suggests sending a message to the grandmother if there is spare time over the weekend.
She said she would drop a line as soon as she settles down in her new job.
The person promised to send a message once she is settled in her new work environment.