From Longman Dictionary of Contemporary Englishhyperventilatehy‧per‧ven‧ti‧late /ˌhaɪpəˈventəleɪt $ -pərˈventl-eɪt/ verb [intransitive] to breathe too quickly or too deeply, so that you get too much oxygen and feel dizzy —hyperventilation /ˌhaɪpəventəˈleɪʃən $ -pərventlˈeɪ-/ noun [uncountable]→ See Verb table
Examples from the Corpus
hyperventilate• Even now, I can't discuss the seating plan without hyperventilating.• It was one less thing to hyperventilate about.• This combination of acid-base disturbances may be seen in postoperative patients receiving nasogastric suction who are hyperventilating because of pain and stress.• He once tried to fly by hyperventilating himself until he was convinced he was lighter than air.• The problem, in those who hyperventilate, is that they have got into the habit of breathing faster all the time.• Who at this point remembers a single moment in the Whitewater hearings that transcended hyperventilating partisanship?• All these teeming details justify Hoare's hyperventilating sentences. 