Meaning of Yaka   Words / Pronunciation: Yah-ka Toyaka, Tonjakiramu 1. To get excited or angered quickly.   Example: Jospeh has too much yaka. Synonyms: [info] Toyaka, Tonjakiramu [/info]   2. A prepaid electricity service from UMEME.   Example: Our house has no yaka. Synonyms: [info] Kara, UMEME [/info]