goofoff

noun
UK /ˈɡuːf ɒf/
US /ˈɡuːf ɔːf/

A person who wastes time instead of working.

The teacher told the goofoff to finish his homework.


OTHER MEANINGS

2. A person who avoids work by playing around.

Don't be a goofoff during class.

3. Someone who jokes around instead of being serious.

My brother is a goofoff at family dinners.

4. A person who wastes time doing silly things.

The goofoff spent all afternoon playing games.