Dummy Thick is a misspelling of the word Dummy Thicc which means but is not limited to someone having more mass than usual in certain parts of the body.
Ayo, your bitch so dummy thick i clapped that ass last night, sorry bro.
its spelled dummy thicc, not dummy thick you inbred prick.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.