office chair prank setup with air horn ready to startle unsuspecting colleague in bright red office setting. generative

copy space prank air horn office chair surprise red wall setting humor anticipation practical joke workplace tension setup colleague amusing comfortable environment lightweight acoustics startled reaction fun humoristic alertness decor classic comedic effect unexpected lighthearted playful workspace attention readiness sound prankster friendly culture lightheartedness collegiality dynamics wheels everyday life generative ai generated