noun
sawdust charcoal with a hollow cylindrical shape
Colloquial term for a type of オガ炭 (sawdust charcoal) that is shaped like a hollow tube, resembling the fish-paste cake ちくわ. Used mainly in casual contexts.
See also: オガ炭
バーベキューにはちくわ炭を使うと火が長持ちするよ。
If you use chikuwa-tan for a barbecue, the fire lasts a long time.
ホームセンターでちくわ炭を買ってきた。
I bought some chikuwa-tan at the home center.