欲ほしいだけ

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

as much as one wants; as many as one wants

Used to express that someone can have or do something to the extent they desire. Often follows a noun or verb in the たい form.

• お菓か子しを欲ほしいだけ取とっていいよ。

  You can take as many sweets as you want.

• 欲ほしいだけ本ほんを買かった。

  I bought as many books as I wanted.