ghetto blaster noun2 •A car stereo used in a similar way (loudly and, often, rudely); the hooptie in which it is mounted.We got tired of him driving his ghetto blaster down our street every day. •(slang) A portable stereo system capable of playing music (from several sources) at a relatively high volume; a boombox.We got tired of him carrying his ghetto blaster down our street every day. formsghetto blasters