こさん

See also: こざん, ごさん, and ござん

Japanese

For pronunciation and definitions of こさん – see the following entry.

【古参】 [noun] having participated in something for a long time [noun] one who has participated in something for a long time [noun] (Internet slang) oldfag

(This term, こさん (kosan), is the hiragana spelling of the above term.)