Pajama Bottoms

antonym: Pants
Synonyms: Pj's

The bottom half of a "one-z" cut in half.
Not to be confused with pants. The way to tell the difference is by looking at the mechanisim holding them up.

Typically pants will use zippers and a button of some sort

Pj bottoms will resort to elastic waist band and pull(tie) string.

Why are you wearing pants to bed instead of pajama bottoms?

You look ridiulous wearing your pajama bottoms in public, go put some pants on!