先森

xiānsēn
  1. (neologism, Internet slang, cute-sounding) alternative form of 先生 (xiānshēng, “sir”)
  2. alternative form of 先生 (xiānshēng, “sir”)

Wiktionary

Entry Composition

=1 先 xiān
  1. beforehand; first; earlier
  2. at first; originally
  3. for the time being; for now
  4. (prefix) my late (in referring to deceased relatives older than oneself)
=1 先 xiǎn only used in 先馬／先马
=2 森 Sēn Mori (Japanese surname)
=2 森 sēn
  1. (bound form) densely wooded
  2. (fig.) (bound form) multitudinous; gloomy; forbidding