Describes behavior that comes across as overly familiar or intimate, often perceived as impolite due to a lack of appropriate social boundaries, especially when interacting with someone for the first time.

Refers to a state of being too comfortable or friendly, indicating a level of familiarity that may indicate warmth but can also suggest a disregard for social decorum.

Characterizes an attitude or demeanor that is excessively casual, leading to discomfort or a sense of overstepping in a relationship, often signaling an inappropriate level of closeness.