To completely lose all sense of reality and reason while under the influence of speed. To be completely lost with no earthly sense of location. To lose all sense of time and space. To mistaken cows for humans and their moo's for a foreign language. To become so confused that going Whamsley results in ones own death.
He's been awake for days and now he's walking around in circles mumbling to himself,"Where I'm going...I don't need no wallet..." I'm afraid he might go whamsley on us.