It stands for crossed penises, with X, representing the shape of the two dicks and D, which means penis.
by WTF123@STFU.com February 20, 2016
by buzzz March 31, 2009
A laughing face similar to :D, but with its eyes closed. Alternatively written as xD, if you want to look cooler.
by Grobur December 26, 2015
xdxdxdxddxdxdxdxddxdxdxdxdxdxdxdxdxdxdxdxdxdxdxddxdxdxdxdxdxdxdxdxdxdxddxdxdxdxdxdxdxddxdxdx
by qazxswedcvvfr May 25, 2018
by Denmark June 21, 2004
by StarmanHaxor December 08, 2004
Someone who's generally humored by the thought of internet jokes or random occurrences that make no sense what so ever.
by Daniel4789 April 10, 2015