Shumble means: A retard may shout but you can’t understand their words. (in Community Dictionary, added by Dario Donovan)
What else does Shumble mean?
- If someone shouts something, but they don’t utter the words. Loud mumbling If someone cannot pronounce the words because they are too drunk or dispirited, but need to still shout to make their point. (in Community Dictionary, added by Johnathan Barrett)
- A retard shouts but is also mumbling at the same moment. (in Community Dictionary, added by MattheusTonus)