1. (onomatopoeia) the sound of a quiet cough or of clearing one's throat
2. an exclamation or cough to get attention
- Ahem! Could we please get started?
3. an exclamation of disapproval or annoyance
- Ahem! In case you didn't notice, I did my share, too.
4. an exclamation to indicate sarcasm
- I really (ahem!) liked the chocolate broccoli surprise.