supsup
Filipino-Visayan term for suckling (as in milk feeding). Used in general, doesn't always pertain to sexual nature.
Variations:
Supsupa - Suck it off (active)
Supsupi - Suck it off (future)
Gisupsup - Sucked
Variations:
Supsupa - Suck it off (active)
Supsupi - Suck it off (future)
Gisupsup - Sucked