What is Yarichin?
1.
The companion slang term to
Derived from "yaru," to do, and "chinko," slang for dick. Used, I suppose, for guys who give it up.
That yarichin can't keep it in his pants.
See
2.
This is the male equivalent of
"yari" comes from the verb "yaru" which can be used to mean "play".
"chin" is short for "chin chin" which is playful way to say "dick" in Japanese.
Literally it means a guy has or is a "playing around dick"
Double Standard: Unlike yariman which can be very derogatory word used to describe girls, "yarichin" has less impact and is often used as a joke.
"Ore ha yarichin chau de!!" - I'm not fucking around!!
(said in stronger Kansai dialect when, for example, a boy is arguing with his gf that he not sleeping around)
See