がつんと
ga tsunto iu

Godan Verb (u)
Expression

1. to tell a person (something) emphatically; to let a person have it

おれ日本 にっぽん総理 そうり大臣 だいじんならクリントンにガツンと ってやるのになあ。
orega nipponno sōridaijinnara kurintonni gatsunto itte yaru noninā.
If I were prime minister, I'd give Clinton a good talking to.