1. What does it mean?
리즈 is shorthand for 리즈 시절, a period remembered as someone's prime. Korean internet and entertainment conversation uses it for standout appearance, ability, or popularity, including the playful claim that someone is creating a new peak now.
Also written or said as 리즈시절, rijeu
2. The nuance
This Korean prime-era expression is different from English rizz, meaning romantic charm, even though both can be written 리즈. Avoid treating praise for a past era as proof someone has declined.
3. Examples
“그 영화 속 모습이 내 기준 배우의 리즈야.”
For me, that actor's appearance in the film is their peak era.
“이번 화보는 또 다른 리즈를 만든 것 같아.”
This photo shoot feels like another peak moment for them.
Sources
References support the meaning and usage. Example sentences are written for NoCapWiki.