Alternative form of stew in one's juices

(idiomatic, often ironic) One whose fame is insignificant, fleeting or imaginary.

(idiomatic, vulgar) having an excessively high opinion of oneself.

(idiomatic) Relaxed and confident in one's manner of presenting oneself and interacting with others; conveying the impression that one has a clear, satisfying understanding of one's own abilities and situation.

(idiomatic, usually preceded by a) Harsh treatment inflicted on one who previously inflicted similar or equivalent treatment on others.

(idiomatic) To behave in a way that is likely to have future negative effects on oneself, including (but not limited to) death.

Exceptionally timid.

Alternative form of rod for one's back

Alternative form of rod for one's back

To kill oneself; to commit suicide.