What does "bump' mean

Sorry. I'm a newcomer and have been reading some posts. What does 'bump' mean? eg "bump Page 5".

Thanks

Thank you.

WOW! Now that's a cool domain lol. By the way, if you ever need help with anything you can IM me or E-Mail me. Anyone who needs help can IM me or E-Mail me actualy Helping people is fun...except when they ask questions that have been answered over 50 billion times...then it isen't fun...lol.