Little is documented about where this clip was first recorded, so its life is mainly online as a tiny reaction sound shared under the title Idk a name am sorry. At under two seconds it fits the short form meme format where a single apologetic line is reused out of context. Creators drop it into edits about forgotten names, blank answers and awkward introductions, letting the shrug in the delivery do the work. Its appeal stays in that reuse, because almost any small mistake can be answered with the same sorry.