RichThesaurus
keep it in one's pants
vs
know someone in the biblical sense
keep it in one's pants
verb
To refrain from trying to have sex with someone.
know someone in the biblical sense
verb
To have sex with someone.
How often have the words
keep it in one's pants
and
know someone in the biblical sense
occurred in a corpus of books?
(source:
Google Ngram Viewer
)