Initial: wood

Extra strokes: 4

Total strokes: 8

1. A wooden stick for pounding rice or pounding clothes: ～mortar. Anvil: ～. ～臼交 (old term for friends who do not mind each other's poverty).

2. to poke with something long: ~ punched him.

Both pestle and mortar are tools used in ancient times for pounding grain. Originally referring to a round wooden stick with a thick end and a thin end, they have become a frequently used campus buzzword, mostly used to refer to someone being rather stupid or having a bad head, and are widely and flexibly used.