add emphasis to the verb, violently, strongly, quickly, suddenly, (e.g. 打(ぶ)ち込(こ)む (buchikomu), ぶっ殺(ころ)す (bukkorosu), ぶん殴(なぐ)る (bunnaguru))

Alternative form of 打ち

iron

iron, the metal and the metallic chemical element / (more generally) steel / short for 鉄砲 (teppō, literally “cannon”, but in this case, refers to the poisonous fugu blowfish or dishes made from it)

use one thing for many purposes / work someone hard

to use one's head

(slang) Rare spelling of 男 (“man”).

husband and wife; married couple

a raised platform roughly 30cm tall used in dirt-floored rooms as a seat / a raised area on which to sleep: a bed / a sickbed / the floor / a box seat, such as at a parade, theater, or stadium

eternal, forever, unchanging, everlasting