When you are looking for a synonym for the phrase "in tip-top condition," there are several options you can consider. You might use the phrase "in perfect shape" to convey a similar message. Alternatively, you could use the words "flawless," "immaculate," or "spotless" to describe something that is in excellent condition. Another synonym option might be "well-maintained," which communicates that something has been taken care of properly over time. Finally, you could use the phrase "in prime condition" to describe something that is in top form and ready for use.