满嘴喷粪

• 氵(water; liquid)RADICAL
• 艹(grass; plant)ASSOCIATIVE
• 两(sea; ocean)PHONETIC

Water rising high to the grass tips means it is full and overflowing.

• 口(mouth; opening)RADICAL
• 觜(beak; bill)PHONETIC

A person's mouth is like a bird's beak, used for eating and speaking.

• 口(mouth; opening)RADICAL
• 贲(spurt; gush)PHONO-SEMANTIC

A mouth spraying water forcefully like a waterfall gushing out.

• 米(grain; cereal)RADICAL
• 共(together; with)PHONETIC

Manure is digested food rice excreted together, combining the concepts of food and waste.