首が回らない

くびがまわらない

being over one's head (in debt, etc.); being up to one's neck (in debt); being unable to turn one's head

Also written 首がまわらない

Meanings

Expression
being over one's head (in debt, etc.); being up to one's neck (in debt)Idiom
being unable to turn one's head

Example sentences

借金しゃっきんで首くびが回まわらないかい？

Are you over your head in debt?
彼かれは今いま借金しゃっきんで首くびが回まわらない。

He is deeply in debt now.
借金しゃっきんで首くびが回まわらない人ひともいる。

Some people are up to their necks in debt.
ぼくは借金しゃっきんで首くびが回まわらないよ。

I'm up to my ears in debt.