WTF is the largest finite number defined in the english and mathematical language along with the knowledge of everything googology related as of the begining of 2026, the definition is in under 1000 words, and self-defining definitions (Rayo(n), Oblivion, ect) cost a Definition Recursion, with 10^100 DR's, and the definition can use any notation, but only use already invented numbers and numbers below 100 (minus negatives), and the definition must ultimately converge into something that isn't ill-defined, unrestricted otherwise.