Pee/piː/ Definition 1 of 3Pro Tip 1/3Informal Usage Use 'pee' in casual or informal situations, not in formal or professional contexts. Hey, can you wait a moment? I gotta pee first. Pro Tip 2/3Slang Variations 'Pee' has slang alternatives like 'whiz' or 'tinkle' that also indicate informality. I'll be right back; I need to take a whiz. Pro Tip 3/3Urgency Expression Saying 'need to pee' can convey a sense of urgency for using the bathroom. I really need to pee, is there a restroom nearby?