A person who spends all of his free time trolling, scamming, and producing smear campaigns on social networks against groups and individuals or Cyber Cancer.
Hey Jenny, I left that group on Facebook. The guy that was running it was such a Blobtard.
1:A cokehead of usually the younger female, although can be male, persuasion who is convinced and will attempt to convince others that they are addicted to cocaine when they only do it rarely or at large parties.
2: A generally annoying younger cokehead
God, Amy is such a blowtard, she hardly ever did cocaine and now shes in rehab.