っす

auxiliary verb, copula

be; is; am; are

Semi-polite copula, an abbreviation of です. Used in casual conversation to add a light polite tone without full formality. Common in male speech, but also used by females in informal contexts.

See also: です

• 今日きょうはいい天てん気きっすね。

  Nice weather today, isn't it?

• それ、マジっすか？

  Is that for real?