Marula is locally brewed during the marula season. It may be difficult to find; ask locals as it is home-brewed.
There is a vibrant nightlife in Swaziland ranging from traditional dances to bars and nightclubs. If you're staying in Ezulwini, there are four bars at the Royal Swazi hotel; why not check out the Why Not nightclub too? If you're in the Malkerns area, the House on Fire is extremely popular: local art, local and national DJs, an open-air setting and live acts.