interj.間投詞;感嘆詞ヘック (グーフィーの笑い声)"Hyuck!" Goofy laughed as he tripped over the rock.
n.名詞ヘック (グーフィーの笑い声)The comedian's impression of Goofy included a perfect 'hyuck'.
v.i.自動詞ヘックと笑う (グーフィーのように)He hyucked in amusement as the clown slipped on the banana peel.