Understand that no actual insects are involved; it's a metaphor for internal jitteriness or unease.

Non-literal Meaning

It's conversational and best used in casual settings, not formal or academic ones.

Informal Usage

Using this phrase too often might confuse non-native speakers or seem unprofessional.

Use this phrase to convey a sense of positive anticipation or eagerness for something.

This expression can sound playful or less serious, often associated with children's behavior.

Use this idiom in social situations, but avoid in formal business or academic contexts.