When the enemy team mass attacks bases that cannot be captured, killing players before they can re-act. Like spawnrape but more effective because it on a larger scale.
Banned on most servers, not that anyone cares ^^.
Hope that helps :)
2) "I cant believe it i just joined a Strike at Karkand map and MEC started baseraping us! There were no admins so i quit..."
3) Haha it was so funny! we just baseraped them till we won!