The vibe of being lovably out-of-touch, obnoxiously enthusiastic, or blissfully unaware of social norms — like the alien TV character who never quite fit in but kept going anyway. Used affectionately or as a mild roast when someone is awkwardly earnest.
My uncle at karaoke was giving serious alf energy — singing Lionel Richie with zero self-awareness.
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Viral internet speak — memes, ratios, main-character moments, and the algospeak of every platform from Twitter to Reddit to TikTok comment sections.
See all Internet & Memes slang on Slangora.