creepoid adjective 1noun 1forms 3 adjective1 •(slang) Creepy."What is that supposed to be?" he asked in his usual creepoid manner. — 2003 noun1 •(slang, offensive) A creepy person or creature.Did he touch my leg on purpose? Creepoid. — 1997 formscreepoids · more creepoid · most creepoid