Used as an exclamation at something happening. Eg. at a hurling match when a person scores a goal in a humurous way a person can joke.
"Did ya see that, Up she flew and the cock flattened her!"
In the process of courting a young lady you try your luck by moving your head in the direction of her lips. This act usually occurs at the end of a social night. This may result in a "Shift" or a "slap" both of which you can "chat" to the boyz about.