From Wiktionary, the free dictionary
Literally, “to be in shit until your neck”.
- IPA(key): /ɛ.tʁə dɑ̃ la mɛʁ.d(ə) ʒys.k‿o ku/ ~ /e.tʁə dɑ̃ la mɛʁ.d(ə) ʒys.k‿o ku/
être dans la merde jusqu’au cou
- (figuratively) to be up to your neck in trouble, to be up shit creek