short strokes [was brass tacks]

[neil]

'There was a scream from upstairs, followed by a frantic banging. "What the
heck...?" I began to say, but Steve interrupted me.
"She's bloody insatiable," he laughed, "and I'll guarantee the guy isn't
even into his short strokes."
-- 'Yours Sinfully: Up All Night', Men Only, Vol 56, No.8, 1991

FWIW the UK synonym is 'vinegar strokes' ex rapid shaking of the vinegar
bottle over the poke of [potato] chips.

--Neil Crawford