Place it at the exact cut where your partner exits, then follow it with a bruh for the deadpan reaction. In a longer fail montage, save it for the final abandonment and let an emotional damage hit close the sequence after it.
Über diesen Sound
This is a very short spoken clip in Brazilian Portuguese, a voice complaining 'pô, me deixou sozinho, bixo' in about a second. It feels plaintively funny, like being dramatically abandoned by a friend, mixing real disappointment with exaggerated, meme-ready self-pity that makes being left alone sound like a betrayal.