The idiomatic expression "keep someone in tip-top shape" means to maintain or preserve a person's physical fitness, health and wellbeing at an optimal level.
Full definition
The diaphragm motion gently massages the internal organs,
keeping them in tip top shape!
A KILLER workout and my top 2 secret supplement weapons that
keep me in tip top shape!
These two fluffy butts (our nickname for Golden Retriever's) deserve the best, and with the help from brands like Milk - Bone, we are able to
keep them in tip top shape!