Depends really.
Big Spider - KILL! I pick up the most solid object I can find, and squish the eight-legged thing to spider-jam.
Small Spider on the opposite wall of the room - "Oh, a spider. So what"
Small Spider suddenly crawling over the book I'm reading, or my computer screen - Bye Bye.
Spider making a web in my room - Nighty-nighty...
Big Spider - KILL! I pick up the most solid object I can find, and squish the eight-legged thing to spider-jam.
Small Spider on the opposite wall of the room - "Oh, a spider. So what"
Small Spider suddenly crawling over the book I'm reading, or my computer screen - Bye Bye.
Spider making a web in my room - Nighty-nighty...