A bot created by douchebags that uses aimbot that nearly whipes out the entire team, commonly found in TF2 casual servers.
They leave before they get kicked, and then join the game again only to terrorize them again.
Any semi-hardened target that has extremely deficient perimeter management awareness capability.
Sure, we've got some car bomb road blocks. But just look around the compound; this place is a Snipers Paradise. There is NO WAY we can control the perimeter high ground.
Noun. A creepy person who infallibly 'likes' your updates on Facebook or other social media sites as soon as you post them. Usually goes hand in hand with Facebook stalking
"He's such a like sniper - every time I update my Facebook status he immediately likes it!"