Texas Sixer
When you fart, you say 'Texas'. If someone else farts and you say 'Sixer' before they say 'Texas', you're allowed to give them six dead arms without fear of reprisal. Though you probably won't want to do so straight away, what with the cloud of their eggy banner still mushrooming from their backside.
written by an*nymo*s u*er, approved by Phil