estar como un cencerro

USAGE NOTE
This idiom may be literally translated as "to be like a cowbell."
An intransitive verb phrase is a phrase that combines a verb with a preposition or other particle and does not require a direct object (e.g., Everybody please stand up.).
intransitive verb phrase
1.
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
An idiom is a phrase with a meaning different from the literal meaning of the separate words that make it up (e.g., break a leg).
(idiom)
(to be completely crazy)
a. to be nuts
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
An idiom is a phrase with a meaning different from the literal meaning of the separate words that make it up (e.g., break a leg).
(idiom)
Tu hermano me dijo que es un murciélago. - Bueno, pues, está como un cencerro.Your brother told me that he's a bat. - Yeah, well, he's nuts.
b. to be a nutcase
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
An idiom is a phrase with a meaning different from the literal meaning of the separate words that make it up (e.g., break a leg).
(idiom)
¿Conoces a la vecina de arriba? - Sí, ten cuidado con ella porque está como un cencerro.Do you know the neighbor upstairs? - Yes, be careful with her because she's a nutcase.
c. to be a basket case
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
An idiom is a phrase with a meaning different from the literal meaning of the separate words that make it up (e.g., break a leg).
(idiom)
¿Por qué grita Mario de ese modo? - Ah, no le hagas caso. Está como un cencerro.Why is Mario screaming like that? - Oh, don't mind him. He's a bit of a basket case.
d. to be loony tunes
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
An idiom is a phrase with a meaning different from the literal meaning of the separate words that make it up (e.g., break a leg).
(idiom)
Regionalism used in the United States
(United States)
El vecino de al lado está como un cencerro. Todos los sábados por la noche se disfraza de lobo y le aúlla a la luna.My next-door neighbor is loony tunes. Every Saturday night he dresses up like a wolf and howls at the moon.
e. to be mad as a hatter
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
An idiom is a phrase with a meaning different from the literal meaning of the separate words that make it up (e.g., break a leg).
(idiom)
A word or phrase that is seldom used in contemporary language and is recognized as being from another decade, (e.g., cat, groovy).
(old-fashioned)
Hoy es una respetada científica, pero entonces todo el mundo pensaba que estaba como un cencerro.Nowadays, she's a well-respected scientist, but back then everyone thought she was mad as a hatter.
f. to be as mad as a hatter
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
An idiom is a phrase with a meaning different from the literal meaning of the separate words that make it up (e.g., break a leg).
(idiom)
A word or phrase that is seldom used in contemporary language and is recognized as being from another decade, (e.g., cat, groovy).
(old-fashioned)
Mi profesor de matemáticas está como un cencerro.My math professor is as mad as a hatter.
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