Place this clip right after the questionable moment in your edit, then follow it with the bruh soundboard button for the deadpan reaction, or the oh my god bro oh hell nah sound button when you want the response to escalate.
About this sound
This is a short voice clip of someone asking 'are you on that diddy shi' in a blunt, confrontational tone. At about five seconds it lands as a quick call-out rather than a full conversation. The feeling is funny and awkward at once, turning suspicion into a joke accusation you can drop on a friend.