"Peeking" Natural Recordings by Native Speakers
The verb "peeking" is the present participle of the verb "peek", which means to look quickly and stealthily at something, especially when you shouldn't. It is often used to describe someone who is glancing or sneaking a look at something without being noticed. For example: "I've been peeking at my new phone, and it's even more beautiful than I expected."
The verb "peeing" is the gerund or present participle form of the verb "pee", which means to pass urine.