This is an internet slang emoticon. It is similar in theory to the ubiquitous smiley, however it means:

"Your pet beaver is wearing a hard had and goggles"
"You can't be serious!"

"Yes, i really am, i went to the circus and saw d8="

Translates to..."I went to the circus and saw a beaver wearing a hardhat and goggles".
by James Wilmington June 29, 2006
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A gang mainly full of homosexuals who smell like piss
Yo, d8 gang are gay asf dude!
by borats_a_ferret February 16, 2019
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An alphanumeric string denoting a hack and insecurites in the HD-DVD coding.

Also; the key to the digital revolution.
Viva la 09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0!
by withoutamartyr May 2, 2007
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geek for "F U, MPAA and AACS"
I'd tell you to look it up on Wikipedia but you can't, so google it instead.
I'm gonna go all 09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0 on your ass.
by hibby May 3, 2007
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L8 D8 is a "Late Date". Specifically, L8 is an acronym for "Late" (i.e., L-eight) and D8 stands for "Date" (i.e., D-eight)
Hey, I really need to leave early tonight - Cuz I have a L8 D8.
by Mirthstar July 25, 2011
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