This is the 3932nd most frequent Japanese word.
サシ
"サシ" can mean "direct communication" or "one-on-one" interaction, depending on context.
サシ is used to describe a direct, one-on-one setting without intermediaries or other participants.
彼とサシで話をするのは初めてです。
It's my first time having a one-on-one conversation with him.
サシ here relates to the act of inserting something, typically skewers, into food for grilling or other purposes.
私はこの計画にサシを入れました。
I added grilled skewer to this plan.
サシ in this context refers to the marbling of fat within meat, an indicator of quality.