A quick test or gut-feeling assessment of how slow someone or something is responding — borrowed from gaming and tech culture where pinging the server reveals lag. Used when a friend takes forever to reply to a text, a group chat goes silent for days, or a coworker ghosts every Slack message. "Running a latency check" on someone implies you're actively noticing the delay and might start questioning whether the connection is worth keeping. The phrase carries dry, tech-bro energy but has bled into mainstream usage for anyone chronically left on read.
Bro, I haven't heard from Jake in four days — running a latency check, he might just be a bad investment.
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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.