booster(redirected from a booster)
1. A thief, especially a shoplifter. Mall security just brought in another booster with some loot from one of the department stores.
2. A supporter of someone or something in particular. I'm a booster for that plucky young upstart, not the incumbent mayor.
1. n. a shoplifter. The cops hauled in two boosters by noon.
2. n. a supporter (of someone or some cause). I’m a booster of lots of good causes.