Also, give someone a buzz. Call someone on the telephone, as in Give me a ring next week, or Bill said he'd give her a buzz. Both these expressions allude to the sound of a telephone's ring. [Colloquial; c. 1920]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.