Bumping up question?

[candylover]

Can someone please tell me what "bumping up a thread is"
Just wondering

Thanks

 

[mommystieg]

People bump to move the thread back to the first page or the top of a forum

 

[NHAnn]

people bump it by just posting a smilie or the word ' bump ' --not really responding to the thread - but just to bump it back to the front page or top