A penis.
A quirky, silly and/or stupid, socially inept person, or one who is out of touch with contemporary trends. Often confused with nerd and geek, but does not imply the same level of intelligence.
The penis.
A prison cell.
A safe.
Chiefly followed by out: originally (mining), of a vein of ore: to be depleted of ore; now (generally), to diminish to nothing; to dwindle, to trail off.
Synonym of blue peter