"eye jammy" means: In AAVE, an eye jammy is a punch to the eye or the black eye that results from one. Jammy here likely relates to jam — something being force.... It carries a violent or aggressive reference, so it is worth noting the context. In most cases the word is used jokingly or for emphasis rather than as a sign of real intent. A calm question about where it was heard is usually all that is needed; pay more attention to behaviour and tone than to the word itself.