うぃっす

Japanese Slang Japanese ★★★ 3/5 very-casual うぃっすuissu
Reading うぃっす
Romaji uissu
Pronunciation /ɯi.sːɯ/

Meaning

Sup / Hey — a very casual bro-style greeting or acknowledgment.

うぃっす is an ultra-casual greeting that functions like 'sup' or 'yo' in English. It is commonly used among young men, in sports clubs, and casual workplaces. It can serve as both a greeting and a quick acknowledgment (similar to 'roger'). The tone is relaxed and masculine, signalling comfortable familiarity with the listener.

Examples

  1. うぃっす、おはよう。 Sup, morning.
  2. うぃっす、了解です。 Sup, got it.
  3. うぃっす!今日の練習何時から? Sup! What time does practice start today?

Usage Guide

Context: male friends, sports teams, casual workplace, school clubs

Tone: laid-back, masculine, breezy

Do Say

  • うぃっす、今来たとこ (Sup, just got here)
  • うぃっす、わかりました (Roger, got it)

Don't Say

  • 先輩や上司に「うぃっす」は失礼 — きちんと挨拶する (うぃっす is rude to seniors or bosses — greet them properly)

Common Mistakes

  • Using うぃっす in any formal or semi-formal context — it is extremely casual
  • Not realising it can double as an acknowledgment (like 'roger') as well as a greeting

Origin & History

Likely derived from a very casual pronunciation of おいっす or a blend of おっす (ossu, a martial arts/sports greeting). Emerged in casual youth speech, particularly in sports and school club culture.

Cultural Context

Era: 2000s casual youth culture

Generation: 10s-30s, primarily male

Social background: Youth/sports culture

Regional notes: Used nationwide in casual settings. Common in sports clubs, バイト, and among young male friends.

Related Phrases

Practice this on WordLoci

Flashcards, quizzes, audio pronunciation and spaced repetition