Put it at the end of a short roast exchange as the punchline, then follow it straight away with a cheeky laugh for the reaction. If the joke falls flat, cut to awkward crickets instead and let the crowd reaction finish the bit.
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This is a short Portuguese voice clip, just under ten seconds long, built around the teasing line about 'your mom, that fat one' and delivered as a blunt your-mom joke. It lands as cheeky, mocking humour, the kind that gets a laugh in a roast battle and a groan from the person on the receiving end, with a playful, confrontational edge that suits friends trading insults.