Meaning of come up and bite | Babel Free

Definitions

1. To be extremely obvious to (someone), to be impossible for (someone) to miss and ignore.
   colloquial, idiomatic
2. To clearly expose itself to (someone).
   colloquial, idiomatic

Examples

“These new recruits are terrible soldiers. They wouldn't know what to do with an enemy if one came up and bit them.”

“You really think you can convince the committee? Come on! You wouldn't know charisma if it came up and bit you.”

CEFR level