big fish, n.
an important influential person
<noun.person> freq. cnt.: 1 freq. cnt.: 1
big cheese big deal big enchilada big fish big gun big shot big wheel head honcho
sample sentences
"he thinks he's a big shot""she's a big deal in local politics"
"the Qaeda commander is a very big fish"
semantic pointers
domain of synset (usage)
hypernym
hyponym