When a male cums, and it lands in the belly button of the lady,or fellow dude for all you man on man lovers ;) The sperm are the "baby" of this phrase, and the belly button is the "pool"
---Look honey! I made a baby pool!!!!!

---Ugh, get me a towell, need to get rid of the baby pool...
by Mike Moustakas September 6, 2013
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When you cum in a girl’s bellybutton
I gave the biggest Baby Pool to this chick last night
by JDPatriot November 9, 2021
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To spend time wallowing in misery over trivial, materialistic, and superficial matters. The baby pool is never deep.
Casandra: What's wrong with Belinda? I texted her and she sent back all tearful emoji's.
Carrie: She saw that Brenda posted about her new finery shoes and that Brenda got more likes than she did when she posted about her new sandals.
Cassandra: So she's drowning in the baby pool again? I should have known. Just for that I'm liking Brenda's shoes!!!
by von groovy June 20, 2017
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To just jump right to it
“Well Jen sometimes you’ve gotta just throw the baby in the pool when it comes to guys”
by Queer ears November 17, 2017
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