Possible Clues:

• Irish love to party with it on island addressing counter-culture
• Wall-scribblings
• Unauthorised public writings
• Good artist following suit, I'll display spray-painting
• German count, one having attack first, the writing's on the wall
• On the surface, such words may appear out of place
• Writings on wall
• Fair gift for making scribblings in public?
• Words or drawings scrawled on walls
• Unwanted art