Laconic is an adjective that describes a person, style of writing, or speech that uses very few words. Her reply was laconic and you could tell she was not interested in the subject of the conversation.

laconic:

Laconic means "using few words", so possible synonyms include: brief, concise, succinct, terse, abrupt, to the point, and curt.

Laconic was born in 1971, in France.

The disciplined and militaristic Spartans were known for being blunt and using words sparingly. That would be the myth behind the Laconic Answer but Im not sure if Laconic and Laconic Answer are the same