The phrase "talks a blue streak" means to speak rapidly and at great length. The spelling of this phrase can be explained using IPA phonetic transcription. "Talks" is spelled /tɔks/, with a voiced alveolar plosive /d/ sound followed by a voiceless alveolar fricative /s/ sound. "A" is pronounced as the schwa sound /ə/. "Blue" is spelled /blu/, with a voiced bilabial stop /b/ sound followed by a long /u/ vowel sound. "Streak" is spelled /striːk/, with a voiced alveolar fricative /z/ sound followed by a long /iː/ vowel sound and the voiceless velar plosive /k/.
The phrase "talks a blue streak" is an idiomatic expression used to describe someone who talks incessantly and rapidly, often without pausing for breath. This phrase is typically used to emphasize the speed and nonstop nature of the person's speech.
When someone "talks a blue streak," they engage in a continuous flow of conversation, with little regard for others' input or the typical conversational dynamics. The term "blue streak" can be interpreted as a descriptor of the color and speed associated with lightning, further amplifying the intensity and rapidity of the talking.
Individuals who "talk a blue streak" often exhibit an extraordinary ability to sustain lengthy discussions, covering a wide range of topics with relative ease. They may express their thoughts, ideas, or opinions in a rapid-fire manner, leaving little room for interruptions or interjections. This expression usually conveys a sense of awe or disbelief, highlighting the speaker's unusual ability to articulate at an exceptionally fast pace.
Furthermore, "talks a blue streak" implies a lack of inhibition or self-censorship in the person's speech. They are unafraid to let their words flow without restraint, allowing their thoughts to pour out in a torrential stream. Consequently, this phrase suggests that the individual may have little regard for the impact or consequences of their words, focusing more on the process of expressing themselves rather than engaging in meaningful, two-way communication.