串门子
chuàn​mén​zi

to drop in; to pay a call

Senses

串门子/ 串門子 chuàn​mén​zi (also chuàn​mén​r) to drop in; to pay a call

to visit someone's home for a casual chat or to pay a visit

串门子/ 串門子 chuàn​mén​zi to whore around

(slang) to visit prostitutes; to engage in promiscuous sexual activity

References

erhua_variant 串门子/串門子 → 串门儿/串門兒
same_as 串门子/串門子 → 串门/串門
variant 串门/串門 → 串门子/串門子