How about wet and wild nail polish/eyeliner?Or even sinful they are actually quite inexpensive esp the holiday colors or glitter nail polish.
I have seen Lip smackers type of lip balm in a 4 or 6 pack,You can break the pack up and use it in individually.
Coffee mugs with cocoa/marsh mellow and a candy cane?
I like the leggings idea.
Scarves, Gum,Altoids,menthos
Ulta always has a good sale and they have many 5 for $5 items.