Too familiar, as:
a. Exceedingly common or ordinary: overfamiliar sayings.
b. Unduly forward or brash; offensively presumptuous: She displayed an overfamiliar attitude toward her superiors.
- common or repeated to the point of being unnoticed or annoying
- (Used with “with") so acquainted with something, that one doesn't notice it, or is annoyed by it
- overly friendly or intimate