The idiom "stick one lip out" means to pout or express disapproval. It is spelled /stɪk wʌn lɪp aʊt/ in IPA phonetic transcription. The "st" at the beginning is pronounced like "st" in "star." The "i" in "stick" is pronounced as "ih" in "sit." The "o" in "one" is pronounced like "uh" in "fun." The "l" in "lip" is pronounced softly like "l" in "love." The "a" in "out" is like "ow" in "tow." This idiom is often used to describe a child's behavior.
The phrase "stick one lip out" is an idiom that refers to a facial expression involving pushing out or protruding one's lower lip, often in a pouty or sulky manner. This expression can indicate discontentment, displeasure, or dissatisfaction with a particular situation, typically in a petulant or childish manner. It is a nonverbal form of communication that conveys one's emotional state or reaction to something unfavorable or disappointing.
When someone "sticks one lip out," it generally suggests an act of being moody, sulking, or exhibiting a minor act of defiance or resistance. It may be observed in individuals who are sulking or feeling ignored, overlooked, or slighted. This action usually stems from the desire for attention, sympathy or an attempt to manipulate others into addressing their needs or wants.
The phrase is often used in a figurative sense, beyond its literal meaning, to describe someone's or one's own discontented or resentful reaction, even without physically protruding the lip. This idiom can be employed to describe the nonverbal communication of any age group, although it is often associated with children.
In conclusion, "stick one lip out" signifies the act of pushing or protruding one's lower lip in a pouty or sulky manner, expressing discontent, displeasure, or dissatisfaction.