To enlist oneself (in something) or become a member (of something)
To enter (a name, etc.) in a register, roll or list
To enlist (someone) or make (someone) a member of
To discard (trash, garbage, or the like), to toss out, to put in the trash, to dispose of.
To intentionally throw an incomplete pass.
To waste, to squander.
To give lightly, in an offhand manner.