scha·den·lolz
[shahd-n-lɒls]
-noun
Active laughter spurred by the pleasure felt at another's idiocy or poor judgement.
Etymology: A portmanteau from schadenfreude and lol- or lolz, from the German "to take pleasure at the misfortunes of others" and "to express laughter, often sarcastic, on the Internet". Variations include "endblödlolz", or "the pleasure one receives when one realizes another is so stupid as to deny all hope for their potential improvement"
Use: OMFG I got Teh Schadenlolz at
these dickweeds!. May also be experienced when someone is proud of their upvotes on reddit and considers it valid conversation fodder, or when your mom excitedly clicks banner ads because the voiceover told her she's won an ipad, then asks you what an ipad is.