1.an insignificant student who is ridiculed as being affected or studying excessively
2.hard monotonous routine work
3.the act of grinding to a powder or dust
1.press or grind with a crunching noise
2.make a grating or grinding sound by rubbing together;
grate one's teeth in anger
3.reduce to small pieces or particles by pounding or abrading;
grind the spices in a mortar
4.work hard;
She was digging away at her math homework
5.dance by rotating the pelvis in an erotically suggestive way, often while in contact with one's partner such that the dancers' legs are interlaced