Vocabulary What does ほくほく mean? ほくほく means fluffy, sweet and warm (sweet potato, potato, chestnuts, pumpkin just cooked). Quick factsReadingほくほく ほくほくほくほくTOPICSfluffy, sweet and warm (sweet potato, potato, chestnuts, pumpkin just cooked)Example sentences蒸(む)したてのさつま芋(いも)は、ほくほくして甘(あま)い。Freshly steamed sweet potato is fluffy and sweet.