Define Bad Grades Meaning

Bad Grades
To say someone (usually female) has bad grades is a euphemism for saying they have large breasts. For instance, a girl with D's (really bad grades) has really big breasts. You can say the worse the grades someone has, the bigger their breasts.

Did you see the new girls in English class, she had really bad grades!

I've never seen someone with such bad grades!

Have you seen Jessica lately? Her grades have been getting worse and worse.
By Denny
Bad Grades
Something you will always get if you are looking them up right now. These are grades below a certain acceptable level

Edwins: I got 10% in that physics test
Ayanda: you will always get bad grades
By Vallie