Having a characteristic that the speaker cannot specify.

Applied to an action whose name is forgotten by, unknown or unimportant to the user, e.g. from words of a song.

An object whose nature is yet to be defined.

(degree) Somewhat; to a degree. / (colloquial, especially in certain set combinations) Used to adverbialise a following adjective

An uncertain or unspecified thing; one thing. / (colloquial, of someone or something) A quality to a moderate degree. / (colloquial, of a person) A talent or quality that is difficult to specify.

plural of something-something

plural of something something

plural of something, something

A snack or morsel of food that does not constitute a meal. / Something special such as a gift or extra money. / A situation. / A sexual encounter. / An affair or extramarital sexual partner.

Replaces parts of a sentence a speaker either does not know or deems unimportant; blah blah blah.