爆 explode

I'll bomb you BACK TO the stone age!

An explosion is a rampage of fire!!

explosion ★★★☆☆
爆 (explode) + 発 (launch) = 爆発 (explosion)

bomb ★★★☆☆
爆 (explode) + 弾 (bullet / play guitar / bounce) = 爆弾 (bomb)

explosive laughter ★★☆☆☆
爆 (explode) + 笑 (laugh) = 爆笑 (explosive laughter)

to laugh explosively- to suddenly and convulsively guffaw

suicide-bomb ★☆☆☆☆ SARC
自 (my own) + 爆 (explode) = 自爆 (suicide-bomb)

suicide-bomb. (like PLO, not like Kamikaze) Suicide-bomb terrorism is 自爆テロ　（じばくてろ）

also - if you unintentionally blurt out a secret, you just じばくした!