The art of using face unlock on another person's smartphone without their knowledge. Usually performed by a child from some sneaky angle while distracting the parent with other matters.
She keeps using Ninja Face on me to watch that stupid YouTube channel
by PatTheChat June 8, 2019
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The description you'd use to describe some chav who hangs out outside Tesco's at 9:30pm, has on a north face cap, north face gloves, a north face jacket, a shitty face mask and a fake pair of 110's.
Mike " Just got me new full north face outfit, gloves hat and everything"
Steve " Christ mike don't go out looking like a north face ninja would you..."
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