Literal translation
lick dog
When to use it
Mocking self or friends for over-pursuing someone romantically. Crude but very common.
Origin
Internet dating slang from gaming/streaming circles around 2019.
Examples
- 别当舔狗了,她对你没兴趣。Stop simping — she's not into you.
Similar slang
备胎 (backup partner)暖男 (warm guy — positive)