noun
penis position (in pants)
Slang term referring to how the penis is positioned inside underwear or pants, often used humorously or casually among men.
チンポジが気になって、何度も直してしまう。
I keep adjusting my penis position because it bothers me.
彼はチンポジを気にしすぎだよ。
He worries too much about how his penis sits in his pants.