booster programs supporting football and basketball at all colleges and universities should be banned.
In the past, measles in the community effectively provided a booster for vaccinated people.
But both are delivering a booster shot of testosterone to the GOP in a way few have managed to pull off of late.
booster boost·er (bōō'stər)
An additional dose of an immunizing agent, such as a vaccine or toxoid, given at a time after the initial dose to sustain the immune response elicited by the previous dose of the same agent. Also called booster dose, booster shot.