The thing is, if the guy admitted it, it would be no big deal. But this party is so fvcking dishonest they can't even tell the truth about something so irrelevant. Just think - if they'll so easily lie about something so silly and obviously true, just imagine what they would lie about when its important and easily hidden.
The event itself is irrelevant and funny. The concoction of an immediate lie to cover it up isnt ...