俚语的

Maybe you have social faults such as snobbishness, talkativeness, using slang, etc. which drive away new acquaintances.

也许你有像势利、长舌、说俚语等这样的点，驱走了你的新相识。

We know this because kid and napper, the two parts of the compound, were slang of the sort that criminals might use.

我们知道这个复合词的两个kid 和 napper 是这种罪犯们可能用的俚语。