Put it at the end of a short bragging setup, right where the confident claim peaks, then follow it with a goofy yell to sell the roast. If the scene needs a chase instead, follow it with why are you running to keep the joke moving.
About this sound
This is a short Spanish voice clip lasting about four seconds, speaking the cheeky phrase 'chupame el pingo un ratito' in a teasing, playful tone. It lands as rude, funny and deliberately over the top, the kind of line that makes friends laugh before they groan.