do it vs shake hands with an old friend

do it

verb

To urinate.
To be appealing or suitable.
Used other than figuratively or idiomatically: see do, it.
To have sex; make it.
To do something exceptionally foolish or unacceptable.

shake hands with an old friend

How often have the words do it and shake hands with an old friend occurred in a corpus of books? (source: Google Ngram Viewer )