Andato in cozza
Andatoin cozza (Literally "gone taking mussels") is an italian slang term used to indicate a really tired individual, so tired that he/she isn't able to react immediately to questions and events.
(Italian) Frank deve aver lavorato duro! guardalo ora, è proprio andato in cozza.
(English) Frank is really must have worked hard today! Look, he is really gone taking mussels now.
(English) Frank is really must have worked hard today! Look, he is really gone taking mussels now.