(colloquial) You are familiar with the situation I am describing; used to establish common ground with the interlocutor

A standard defining a standardized isotopic composition of water.

Alternative form of if you know what I mean.

plural of self-referential meaning

A woman will be more interested in a man if he is not kind to her.

(informal) Treating women badly heightens their romantic/sexual attraction toward you.

Synonym of the road to hell is paved with good intentions

simple past tense and past participle of mean

One of the turns of a winding, crooked, or involved course. / A tortuous or intricate movement.

(intransitive) To wind or turn in a course or passage; to be intricate. / (transitive) To wind, turn, or twist; to make flexuous.