noun, (used with a plural verb) Slang.
1. extreme nervousness; jitters.
2. delirium tremens.
See more synonyms on Thesaurus.com
Origin: 1540-50; gradational compound based on jam. Cf. flimflam, jingle-jangle, etc.
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.
Honestly, I thought this was slang or nickname for pajamas...not being nervous!