To scrape acquaintance

to seek acquaintance otherwise than by an introduction.
- Farquhar.

See also: Scrape

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
The voice was rich, cheery, light-hearted, agreeable; all that my own was not as I answered "Nothing!" for this was not the first time my next-door neighbor had tried to scrape acquaintance with me.