Place it as the payoff after a hunched-over setup shot, then follow it with a chair squeak or a satisfied stretch sound for the release. For a two-part bit, put a slouching complaint line before it and let this clip close the sequence.
O tym dźwięku
This is a short three-second voice clip of a person flatly saying 'My back's straight' in a matter-of-fact tone. It feels dryly funny and a little smug, like a proud posture check delivered without any drama, which makes the plain delivery land as the joke itself for listeners.