It appears in various archives and "webm threads" on sites like 4plebs and Yuki.la. Content and Context Based on archival metadata, this file is associated with:
The file originated or gained traction on boards such as /pol/ (Politically Incorrect), /v/ (Video Games), or /b/ (Random).
The filename is a Unix timestamp. When converted, 1640585173 corresponds to Monday, December 27, 2021, at 6:06:13 AM UTC . Origin and Distribution
It is frequently found in "ylyl" (You Laugh You Lose) threads or "comfy" threads, common staples of imageboard culture.