Place it right after the messy-hair reveal, then follow it with the Vine Boom for a bigger reaction, or use the SpongeBob Fail sound when the look is meant to read as a complete disaster.
About this sound
This short German voice clip has one speaker saying, in German, that they look like Bigfoot, delivered in a flat, matter-of-fact way that makes the comparison land harder. It feels funny and self-deprecating, like a quick joke about a messy hair day or an unkempt appearance. The brief delivery keeps the punchline tight and easy to replay.