Place it in the middle of a reaction edit, after Eww Brother Eww opens the bit and before Oh My God Wow closes it. That order keeps the gag moving, then lets the next clip change the subject without repeating the same line.
Über diesen Sound
This three-second clip is a single spoken line built around the blunt phrase in its title. It lands as awkward and startling, the kind of line that makes a room laugh because nobody expected it said out loud. Its directness is the whole point, turning an everyday grooming subject into an instant, uncomfortable punchline for friends.