Someone who is extremely susceptible to being trolled. This person is extremely gullible, providing sustenance to the troll causing him to grow. This is usually accompanied by a troll face of epic proportions.
Trollfood: "no y?"
Troll: "because i slept with your mother last night"
Trollfood: "fuck u"
Troll: "you mean you"
Trollfood: "god dam it you suck"
Troll: RAGEEEEE QUIT!