The phrase comes from online meme slang, in the same goofy ahh style where ahh is used as a playful, exaggerated version of ass in captions and voiceovers, and freaky is used to tease someone for being bold or flirty rather than as a serious insult. It spread through short-form video edits, reaction clips and soundboard pages, where the one-second length made it easy to reuse as a punchline. Its popularity comes from that mix of teasing and affection, so it still appears in edits about crushes, dances and chaotic friend moments.