The phrase "deep chill" refers to a state of extreme calmness or relaxation. It means feeling very cool and peaceful, like when you're completely relaxed and free from stress or worries. Full definition
Such severe winters are becoming more common across Eurasia — and some scientists contend that sea ice loss, by altering circulation patterns, is ultimately to blame for these frequent deep chills. (sciencemag.org)
At a time when typical horror games are more action - adventure, content with delivering cheap thrill over deep chills, Frictional have created something that has been crowned the new touchstone of video game horror, usurping the thrones of Silent Hill, Resident Evil and Dead Space. (controlcommandescape.com)