referring to:
Posers who drive cars, that the owner may think sound and look real hot, but in actuality, it is a cheap cover of a "real
car" i.e. muffler is ready to fall off, doesn't purr, it growls, painted 3 colors, body kit falling off,etc..
From the comparison of
men using socks to stuff their underwear to make
people think that they actually have "something" same applies here.