snotnose

n.<俚>(对卑鄙小人或狂妄自大者表示的)不屑一顾,蔑视

（尤指兼具无礼和傲慢的）两腿间的黄色液体，儿语：小屁孩，屁股抹鼻涕的。

名词

1. He may have been a snotnose at school, but now he's a successful businessman.
他可能曾经是个傲慢的小屁孩，但现在他是个成功的商人。
2. Don't be such a snotnose! Show some respect for your elders.
别作出傲慢的举动！对长辈要表示尊重。