(dated) An extension of my! used to express surprise or pleasure. Also "my my my!".

Belonging to me. / Associated with me. / Related to me. / In the possession of me.

Used to express surprise, shock or amazement.

megayear

Alternative letter-case form of my often used when speaking as God or another important figure who is understood from context.

Initialism of motor yacht (diesel-driven yacht)

Relating to muscle

Indicates approval at someone who is doing something praiseworthy.

plural of MY

(colloquial) It's none of my business; indicates that one is not responsible for controlling or changing a volatile or delicate situation.