balls-deep

Adverb

not-comparable slang vulgar

(slang, vulgar) With the penis fully immersed in an orifice, more often the anus or vagina than the mouth.

Japanese Meaning

（俗語、卑猥な表現）男性器が完全に挿入された状態、主に肛門や膣内において、その深さが示される状態を意味する。

I'm balls-deep in paperwork and won't be out of the office until late tonight.

書類仕事にどっぷりはまっていて、今夜遅くまでオフィスを出られそうにない。

Sense（1）

(slang, vulgar) With the penis fully immersed in an orifice, more often the anus or vagina than the mouth.

I like to fuck balls-deep. If they can't take it all it's not worth the time.