
「言い付く」って辞書にないみたいですけど・・・。

Never mind, found one.
http://dictionary.goo.ne.jp/leaf/jn2/9523/m0u/
I'm surprised 大辞林 didn't have it.

Ah, and it looks like I should have been looking for 言い付かる anyway.

Yes. 「言い付かる」
「言い付く」って辞書にないみたいですけど・・・。
Never mind, found one.
http://dictionary.goo.ne.jp/leaf/jn2/9523/m0u/
I'm surprised 大辞林 didn't have it.
Ah, and it looks like I should have been looking for 言い付かる anyway.
Yes. 「言い付かる」