When a child's mother (usually the son) refuses to acknowledge the fact that "her baby" is growing up and will always try to be involved in whatever they do. This is most commonly seen in these three scenarios; 1) getting a driver's license 2) the first date 3) going off to college.
Mother: Oh, I just can't believe my little baby is finally going out on his first date. Do you think you'll be alright?
Son: Mom, I'm fine, just leave me alone. I'm 18 and I'm not a little kid anymore.
Father: Honey, just cut the umbilical cord already and let him go!
by That One Random Guy There December 2, 2010
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When two people dreadlock their genital pubes with each other's, creating a bond as strong as the hair roots on each's upper genital area. Can also be called "Hairy Symbiote"
Bro1: I've been feeling so disconnected from the world recently...

Bro2 (down-to-earth guy): I'll help you back down bro, let's try the aftermarket umbilical cord"
by Zeval April 7, 2020
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when a poo is so long it is resting in the toilette bowl while still attached to the body
Man, I had to cut the rectal umbilical cord today after greasing the bowl.
by Lana Deebs May 22, 2011
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After a child is born in extremely rare cases the trimmed umbilical cord can over time, grow into a fully formed baby, a umbilical cord baby
The smiths were very surprised 2 weeks after their baby was born when the hospital called asking them to pick up their umbilical cord baby
by Joenny October 30, 2022
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When a man is being super nice to a woman’s kids to try to have sex with her.
Your son’s barber called you from PR to see if his hair is being taken care of? Sounds like he’s climbing the umbilical cord.
by V3_JT September 14, 2021
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The white cord attached to earbuds that you get when you've purchased an iPod---you'll often see people untangling these rather klutzy things on the bus or train when personal listening is called for. Sometimes makes you wonder if some people are permanently attached to those things...
Can't talk to that girl now---she's got her white umbilical cord on.
by pentozali October 26, 2011
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