Top Definition
The 4 day rule is in relation to the birthday dirty pint tradition that all Lads have. The dirty pint must be poured 4 days either side of the birthday in question.
Exceptions:
Your name begins with A.
You have a specific event booked for your birthday that falls outside of the 4 days.
You have an absurd addiction to red onions and Mayo.
Hey Wilson, you know you have to do a dirty pint next weekend?
No, the 4 day rule states that its outside if my birthday and so it is void.
*Wilson checks Official source of all Lad rules.
Oh schnap you're correct I am exempt from the 4 day rule and I must in fact have the dirtiest pint of all for attempting to weasel out of it.
by AJW of Laindon July 01, 2013

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