Jelsma
A wild mythical creature that is found only in a algebra 2 classroom, also is commonly found reciting the quadratic formula.
A kid gets a A+ on a test, jelsma will appear and say “your cool”
英语俚语辞典收录了3210630条英语俚语在线翻译词条，基本涵盖了全部常用英语俚语的翻译及用法，是英语学习的有利工具。