What does 'to be in the dog house' mean?

[Itsybitsyspider]

English Language Tests, Intermediate level

ESL/EFL Test #279 "English Slang Idioms (1)", question 5

"Mom is going to be so mad! You are going to be in the ......... house tonight," Tina said to her little brother.

(a) bad
(b) dog
(c) out
(d) bird

English Language Tests, Intermediate level

ESL/EFL Test #279 "English Slang Idioms (1)", answer 5

"Mom is going to be so mad! You are going to be in the dog house tonight," Tina said to her little brother.

Correct answer: (b) dog

Your answer was: incorrect
"Mom is going to be so mad! You are going to be in the bird house tonight," Tina said to her little brother.
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What does mean 'to be in the dog house' ?

Thank you.

[Mister Micawber]

Don't you have a DICTIONARY?
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Native English teacher at Mister Micawber's

[Itsybitsyspider]

I do have. Thank you. I couldn't find its meaning in my dictionary before and just because it's an idiom I thought that you could help me understand better.

Thanks. I'm going to use this dictionary next time.

[Mister Micawber]

HERE'S a better one.
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Native English teacher at Mister Micawber's