Of a shocking or surprising nature.
So expensive that (figuratively) it would make one's eyes water.
Having an odour, vapours or smoke which causes irritation to the eyes.
Having an extremely bad odour.
Of a rare quality, unusual.
Being the only one of its kind; unequaled, unparalleled or unmatched.
Of a feature, such that only one holder has it.
Particular, characteristic.
A thing without a like; something unequalled or unparallelled; one of a kind.