年上

niánshàng
(slang) the older person in a romantic relationship; an older partner

CEDICT

slang

Entry Composition

=1 年 nián year

classifier: 個
=1 年 nián
  1. grain
  2. harvest (old)
  3. variant of 年 nián
2 上 shàng
  1. (bound form) up; upper; above; previous
  2. first (of multiple parts)
  3. to climb; to get onto; to go up
  4. to attend (class or university)
  5. (directional complement) up
  6. (noun suffix) on; above