[mamelukesabre]

What the H* is a stanley knife???

[Oztrich Boy]

What the H* is a stanley knife??? <>I>

A Gentleman's English Dictionary and Usage

Stanley knife
The 'Stanley' knife, known to Americans as the more prosaic 'Box Cutter', has become favoured for it's ability to cause horrific looking injuries and unpleasant scarring with little or no possibility of actual death.

[Domestic Church]

"What the H* is a stanley knife???"

Something the early scientists used to defend themselves from ax wielding neanderthals.

[SunkenCiv]

It's what he used on Livingstone.