Flip one’s lid

What is Flip one’s lid?

Flip one’s lid definition and meaning on Dictionary terms:
noun

a removable or hinged cover for closing the opening, usually at the top, of a pot, jar, trunk, etc.; a movable cover.
an eyelid.
a restraint, ceiling, or curb, as on prices or news.
Slang. a hat, cap, or other head covering.
(in mosses)

  1. the cover of the capsule; operculum.
  2. the upper section of a pyxidium.
Slang. one ounce of marijuana.