An extreme straight edger who becomes loud and violent about one's views. Not a true edger and looked down apon for such ignorance to other's decisions.
A person who takes a simple decision not to do drugs and turns it into an obsessive militant and ocasionally violent and loud lifestyle that revolves around hating drugs. In the closed-mind of a hardliner, drugs are wholly evil (sometimes not backed up by any real evidence and definitely not backed up by any firsthand experience) and all recreational drug users are stupid, worthless, bad people who belong in jail or dead. Known to defend their claims that marajuana is the worst thing in existence even when presented with evidence that it isn't actually harmful and that people who ocasionally smoke it can actually hold down a job and make some contributions to society (which is in stark contrast to their beliefs)
A hardliner is somebody who thinks harboring an irrational deep-seated hatred towards all recreational drug users is a healthy alternative to doing drugs.
When you have intercourse with two girls at the same time, also known as a threesome. The word refers to a call of duty killstreak 3 kills with the perk hardline making it 2 kills. While getting and RC-XD with hardline in call of duty is pretty easy, it is extremely hard to accomplish in real life.
"Damnn the club is poppin tonight! You trying to drop an RC-XD w/ hardline!?"
"Brooo have you seen the ratio here, I'm trying to drop a god damn chopper gunner, lets goo!"
Hardline Eletronics is a underground and experimental music genre that draws its inspiration from 1960s early electronic music, 70s Industrial and contemporary post-industrial genres such power electronics and glitch.