Dummy Thick is a misspelling of the word Dummy Thicc which means but is not limited to someone having more mass than usual in certain parts of the body.
Ayo, your bitch so dummy thick i clapped that ass last night, sorry bro.
its spelled dummy thicc, not dummy thick you inbred prick.
Dummy Faded is a condition in which someone gets so high that they are actually becoming uunintelligent and slow because of the copious amounts of drugs or substances that they consumed
Tom: Bro I just smoked like 10 blunts now I'm "dummyfaded "