to use one's head

peacekeeping

use one thing for many purposes / work someone hard

grass / weed

grass / a draft, a rough copy / cursive, calligraphy in a running hand / something unofficial, an informal abbreviation or knock-off

(Internet slang) "grass", in reference to the expression w (“LOL”); LOLs

Short for 草生える (kusa haeru): (Internet slang) … it's hilarious

a fake, a mimic, not the real thing / amateur, small-time

physical examination, medical examination

physical examination, medical examination