What is the meaning of Ahem?

The sound of a quiet cough or of clearing one's throat.

Demanding attention.

Expresses disapproval or annoyance.

Indicates the speaker does not wish to be perceived as rude, often intimating an impolite meaning to a third party that the speaker is not addressing.

1. Indicates subtle sarcasm, polite lying, or euphemism.

   Indicates subtle sarcasm, polite lying, or euphemism.

   Indicates an inappropriate pun.

   To cough or clear one's throat so as to draw attention.

   Source: wiktionary.org