bore shitless meaning

[British slang]
Verb. Bore completely. E.g."I was bored shitless by her talking non-stop about her family.”

• shitless:    Adjective: shitles ...
• bore:    Verb: bore &n ...
• bore into:    bore into sb liter ...

Examples

1. Plus I was bored shitless with the noise we were making ."