Foxer was just being Bored, probably looking at a Meme, when he suddenly craved attention, He didn't know why, It Just fiddled his mind.

Foxer: "Sighs Man, I want some Laughs but I want attention... Groans But I live in wate- Oh wait, I walk on land. d:"

He got out of the life-sized tank, and Slithered to somewhere else in MSMTubia.