freaky

strange and somewhat frightening

• “the whole experience was really freaky”

conspicuously or grossly unconventional or unusual

• “restaurants of bizarre design--one like a hat, another like a rabbit”
• “famed for his eccentric spelling”
• “a freakish combination of styles”
• “his off-the-wall antics”
• “the outlandish clothes of teenagers”
• “outre and affected stage antics”