disemvowelling
n.— «For those not familiar with the concept, disemvowelling, pioneered by Teresa Nielsen Hayden, is the most effective troll-repellent yet invented. You leave the troll’s comment up, but remove all the vowels from it.» —“Requests to the lazyweb” by Henry Farrell Crooked Timber Nov. 17, 2004. (source: Double-Tongued Dictionary)