lǎo'èr

penis

老二 lǎo'èr
penis noun
a euphemism for the male sex organ

He was kicked in the groin and fell to the ground in pain.

second child noun
the second-eldest child in a family

My second child just started elementary school this year.

Frequency

Movie subtitles
9.27 per million appears in 3% of films
Written text
5.50 per million

Sources

Definitions
CC-CEDICT