"Handed it one" is not a phrase or word, and so there are no antonyms for it. However, we can discuss antonyms for the verb "hand" and the pronoun "it." The antonyms for "hand" include "take," "keep," "withhold," and "ignore," among others. The antonyms for "it" depend on the context of the sentence, but some possibilities include "nothing," "nobody," "something," or "someone." When used together, "handed it one" could possibly mean "delivered something successfully," and the antonyms for that could include "failed to deliver" or "kept something instead of giving it away.