As used in professional StarCraft: Brood War competitions by South Korean casters until September 2012 (based mainly on Konglish, approximately romanized):
Chauling – zergling
Depilo – defiler
Hanbang (literally 'one shot') – a single powerful attack which could end the game
Hydra – hydralisk
Jealot – zealot
Kin – queen
Loco – lurker
Muta – mutalisk
Obchakho – observer
Pectory – factory
Perox – barracks
Playgu – plague
Rivo (ribo) – reaver
Siege modu – siege mode
Ultra – ultralisk