Originally Posted by
weekilter
What does a half bottom of water look like as opposed to a whole bottom of water? And just what is a bottom of water. Do you have a picture?
half bottle.

Just an odd typo.
Its the water bottles you get at hotels. I usually have a half one left, so I put it in my carryon.
Once the TSO sees the evil h2o, they are satisfied they found something and are more likely to miss something else that I may have missed.
Plus it annoys them which makes me smile a bit.