An emoticon/
smilie that represents a combination of :D (smiling) and the rightmost portion of
d-_-b, a rare emoticon most frequently employed by east asian users, generally used to indicate thumbs up (among other things).
:
Db hence is an unusual amalgamation of horizontal and vertical emoticons, generally used to indicate strong approval (and possibly elation).
Wow, that was a
cleverly planned
rickroll! :
DbI hope to see you published in the New York Times soon. :Db