うなぎ登のぼり

noun, noun which may take the genitive case particle 'no'

soaring; skyrocketing; rising rapidly

Used for prices, popularity, or statistics that climb steeply, like an eel swimming upward. Often used with 〜する or as 〜の.

• 新しん製せい品ひんの人にん気きはうなぎ登のぼりだ。

  The popularity of the new product is skyrocketing.

• 物ぶっ価かがうなぎ登