loud·mouth 
(loudmouth′)
(loudmouth′)n.
Informal
Informal
One given to loud, irritating, or indiscreet talk.
loudmouthed′ (-mouthd′, -moutht′) adj.
- light-fingered
- light-fingeredness
- lightfoot
- light-footed
- light-footedly
- light-footedness
- light-handed
- light-handedly
- light-handedness
- lightheaded
- lightheadedly
- lightheadedness
- lighthearted
- lightheartedly
- lightheartedness
- light heavyweight
- "Light Horse Harry."
- lighthouse
- lighting
- light into
- lightly
- light meter
- light mill
- light-minded
- light-mindedly