Internet term. Verb. To invalidate your overly liberal position in an online debate by making veiled threats against the life or sexual dignity of your opponent's spouse or child, or faked threats against your own life.
Definition 2:
Can also be used sarcastically, describing something that is actually bad, boring or tedious.
Definition 1:
James P- Hey, check out my awesome new girlfriend!
Cyrus - Woah! what's the chest-size on that thing?
James P- 36 DD
Cyrus - Schmarte!
Definition 2:
James P- I have to hand in 2 pieces of coursework on Friday, as well as sit 2 exams. I also have to give a presentation on wednesday, I'm so stressed.
Robin - Schmarte! It sucks to be you.
Literally meaning sharpshooter in German but also means sniper, even though they are two different things. A sharpshooter is a very well trained marksman, whereas a sniper is everything a sharpshooter is but is also trained in stealth techniques used to sneak up to a position where he/she can fire upon their target.