There are several antonyms for the phrase "flip the coin." Some of these include "keep the coin," "hide the coin," "bury the coin," or "drop the coin." When we say "flip the coin," it means we are leaving something to chance or luck. However, the antonyms suggest that we have control over the situation and are making conscious decisions. For instance, keeping the coin means holding onto the power of decision-making. Burying the coin implies rejecting chance entirely and going with an alternative choice. In conclusion, the antonyms of "flip the coin" signify taking charge of situations, whether it be by keeping, hiding, burying, or dropping the coin.