(n.) a big sweet potato; (slang) a clumsy idiot; a character in comic book 'Old Master Q', named Big Potato.

purple sweet potato

baked potatoes

sweet soup with sweet potatoes

sweet potato soup

potato

sweet potato

(n.) potato; (slang) schmuck; (slang) someone with an out-of-date fashion style

schmuck

Dyeing Yam (Dioscorea cirrhosa)

mashed potatoes

(noun) dimwit; addle-head; dolt

being stupid and obtuse

criminals from Mainland China who goes to Hong Kong or Macau to commit crimes [colloquial]

a stupid person; an idiot [colloquial]

potato

potato pancake

potato chips

sweet potato

small potato

sweet potato

sweet potato starch

dried sweet potatoes

root vegetables

French fries

cassava

potato grid

fried potato fries