[undies]

Here's one that fits into the strange, peculiar, odd, curious, offbeat, outlandish, eccentric, unconventional, unorthodox, queer, unexpected, unfamiliar, abnormal, atypical, unusual, out of the ordinary, out of the way, extraordinary, puzzling, mystifying, mysterious, perplexing, baffling, unaccountable, inexplicable, incongruous, irregular, singular, ludicrous, deviant, aberrant, surreal, outré, informal, weird, wacky, oddball, way out, freaky and off the wall category.....