A sexual display undertaken by men.. To strip naked and swing yours arms back and forth as if you are running while standing stationary, causing the hips to twist and the penis to slap against the thighs. Once
the running man is
sped up to a sprinting pace, the slapping sound of the penis on the thighs becomes impossible for women to
resit.
James - "Bob managed to pull that
10/10 bird at the club last night"
Rico - "How'd he manage that?"
James - "I heard he showed her
the running man in the disabled toilets"