Indicates that the speaker does not eat fish.

Indicates that the speaker does not eat pork.

Indicates that the speaker does not eat meat.

(informal) Used to express acceptance of something offered to the speaker.

(idiomatic, sarcastic) Used to indicate that one is glad, or at least unmoved, to see the addressed person leaving.

(informal) Used to express that one cannot take a suggestion seriously.

Don't presume to give advice to those who are more experienced.

One doesn't require an expert to tell one what one already knows.

(Internet slang) Said to urge another not to respond to disruptive attention-seeking behavior, particularly in online contexts, by pointing out any such response is likely to be counterproductive.

Alternative form of you don't dip your pen in company ink