Sex act.
Generally begins with a tap-tap of male genitalia (i.e. one eyed trouser snake) on a shoulder of fellow patron for attention before 'Dublin' down before the next stop
Little on the nose, little in the mouth and in the ear sometimes; nothing like Dublin in Crumlin
Hey-McMann!! Ever try Dublin in Crumlin??
Oh. Is that your stop? Because Ill flick THAT lightswitch; we are ALWAYS Dublin in Crumlin
Is that a stubby thumb or is this the beginning of Dublin in Crumlin?