Pocomania
Concise Oxford English Dictionary © 2008 Oxford University Press:
Pocomania /ˌpəʊkə(ʊ)ˈmeɪnɪə/
▶noun a Jamaican folk religion combining revivalism with ancestor worship and spirit possession.
– origin 1930s: prob. a Hispanicized form of a local word, the second element being interpreted as -mania.
'Pocomania' also found in these Oxford entries:

