glottal fry
noun /ˌɡlɒtl ˈfraɪ/
  /ˌɡlɑːtl ˈfraɪ/
(also vocal fry)
 [uncountable, countable] (phonetics)- a way of speaking in which air moves slowly through the vocal cords, producing a long, very low popping sound which may be difficult to hear, used by some speakers at the end of sentences