Definitions by GUY
crusty
yuccky; repulsive; specifically, having unremoved dried secretions/excresences on oneself or scabbed-over pimples/sores. More generally, dirty, disgusting.
grock
understand,appreciate actively and profoundly, fully comprehend; also, to think about, listen to, play, or contemplate something or someone with full love and understanding, even ecstacy. Often done stoned.