look up any word, like b4nny:
 
1.
Pajama pants that are of Christmas-like spirit. Typically they are decorated with candy-canes, penguins, Christmas trees, or presents. Usually of silk material, but not necessarily.
Caroline was more than happy to put on her Jingle Jammies the night before Christmas. In fact, she's decided to wear them year round to celebrate Christmas constantly.
by CarolineNo November 04, 2011