Kitten, at times

• Thirsty cat or dog
• Thirsty dog, say
• Cat with a bowl of milk, e.g.
• Cat with a bowl of milk, e.g

Wiktionary Word definitions in Wiktionary
n. One who laps liquid, who takes liquid in with the tongue. vb. To make a gentle splashing sound, as the sound of flowing water.

Wikipedia Word definitions in Wikipedia
Lapper is a surname. Notable people with the surname include: Alison Lapper (born 1965), English artist Mike Lapper (born 1970), American soccer player

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Lapper \Lap"per\, n. [From La p to drink.] One who takes up food or liquid with his tongue.