drop a line
Speech parts
1. drop a line - Verb
2. drop a line - Phrase
Meaning
communicate (with) in writing
Source: WordNetSynonyms
Hypernyms
Examples
Write her soon, please!
If you feel like it, drop a line and do not be afraid to say what you really think, as praise may feed my ego but constructive criticism advances my skills.
I just wanted to drop a line to let you know I enjoy reading your blogs.