radio wave / mobile phone signal / (slang) nonsense produced by a mentally unsound person, who is termed a 電波(でんぱ)系(けい) (denpa-kei, “radio-wave-type”) person

tunnel / (baseball) through the legs

(slang) random and nonsensical

transmission, propagation

to propagate, to transmit

fields, specifically fields of both rice and other crops

nothing, nothingness / (Buddhism) mu; the null set: neither yes nor no (in response to a koan or other question that mistakenly assumes an affirmative or negative answer).

(slang) denpa-kei person: one who acts strangely (disconnected from reality), often having wild fantasies and often saying strange things

denpa song, a Japanese genre of catchy electronic music featuring cute vocals and nonsensical or unusual lyrics.

Denpasar (a city, the provincial capital of Bali, Indonesia)