Place this clip right after the suspicious action is revealed, then follow it with sus clapping for a fake round of applause. For a bigger reaction chain, lead in with a shocked meme sound before it so the accusation lands as the final beat of the sequence.
About this sound
This is a 5.6-second meme clip built around the word sussy, stretched into a playful, over-the-top gag. It lands with a mix of suspicion and silliness, making a normal moment feel shady and funny at the same time, like someone has just been caught acting strange for no good reason at all.