Definition from Wiktionary, the free dictionary
- (Can we verify(+) this sense?) (informal) A non-standard Roman numeral representing four hundred and ninety (490); CDXC.
- Previous: CDLXXXIX (four hundred and eighty-nine, 489)
- Next: CDXCI (four hundred and ninety-one, 491)
Representation of a laughing face with eyes screwed up (X) and mouth wide open (D).
- An emoticon representing a face expressing hysterical laughter.
- My friend tripped over a rock and hit his head XD