ピーピー
piipii

Noun
Adverb

1. peep; chirp; beep; whistling, chirping, piping, etc. sound made by birds, insects, pipes, children, etc. — explanation

Onomatopoeia
Noun
Suru Verb

2. poor; hard up; pinched

Noun

3. the runs; diarrhea; diarrhoea

Noun

4. flute; pipe

Noun

5. beginner; novice

Other forms: