Pediotrolling 

Attempting to gain favour, attention or sympathy by impersonating a child or young adult online or through anonymity.

Examples of Pediotrolls and Pediotrolling

I like to go to chat forums under the profile of a 12 year old girl and say provocative things that incite inflamed or reactionary responses.

or

I play online games and use video capture while impersonating an 8 year old boy on voice chat, performing poorly - dubiously at best - feigning innocence due to my immaturity.

Pediotrolling by wordmakermakingwords May 23, 2013