What does Bag of Tits Bag of Tits mean?

Bag of Tits Bag of Tits meaning in Urban Dictionary

Tricky one this, may have deul definition with regards to the occasion/conversation inwhich the term is used:-"a positive thing" tits becoming great and a bag complete becoming even betterCan also be employed to decribe someone who is unlucky and/or stupid (n.) in pretty bad shape, in disorder. British army source.