Autonomous Sensory Meridian Response
A pleasant, tingling-like sensation that some people feel upon experiencing certain sensory stimuli, such as whispering or tapping. Commonly abbreviated with the initialism "ASMR." A: "No wonder they started just saying "ASMR"—"Autonomous Sensory Meridian Response" is too much to remember!" B: "Yeah, and thank goodness it feels way better than it sounds!"