acting funny
when a person’s behavior drastically changes and becomes more distant and, most of the time, without warning or clear communication.
Example:
Ever since you got a new man you been acting funny.
I think I hurt his feelings when I didn’t go to his party. He been acting funny.
Ever since you got a new man you been acting funny.
I think I hurt his feelings when I didn’t go to his party. He been acting funny.