a mild, potentially peevish exhortation to resume working; references the computer keyboard, with the implication that hands presently idle should resume tapping away, creating value or finding uplift or suchlike things; generally interjected after a lull in activity or period of digression, as in “Alright guys, we’ve talked about this enough, hands on keys”; this jargon is based on the commonly-held notion that visible activity is synonymous with productivity, an assumption that does not always prove to be true