Used in similes to express something bad or unpleasant.
A stupid, pompous, arrogant, mean or despicable person.
A person; the self; (reflexively) oneself or one's person, chiefly their body; (by extension) one's personal safety, or figuratively one's job, prospects, etc.
To be silly, act stupid or mess around.
A thing (used in a vague way to refer to something whose name one cannot recall or is embarrassed to say)
A specific person (used in a vague way to refer to someone whose name one cannot recall)