CUCKOO'S EGG 

Of a child with uncertain parentage, much a kin to the cuckoo laying its eggs in another birds nest

Fucking hell, whys daves kid black, he's an albino? Dunno but by the looks of his mam I think the bairns a cuckoo's egg

CUCKOO'S EGG by GAV October 22, 2003

Cuckoo Banana Bread

When someone acts kooky, nuts, wacky, insane or a screwball.

The football fans were acting cuckoo banana bread over the bad call.

Cuckoo Banana Bread by CNA Monster January 29, 2020

Cuckoo spit

To repeatedly froth the male ejaculate through the teeth to create an aerated foam before rejecting it.

Claire is nasty - she didn't swallow but she did cuckoo spit

Cuckoo spit by helenearth January 5, 2012

cuckoo egg 

When you pick a big booger and put it into a passed out persons nose.....laying the cuckoo egg

When you pick a big booger and put it in a passed out persons nose....laying the cuckoo egg

cuckoo egg by the don don April 28, 2014

Cuckoo Birding 

The act of intentionally having a child from another man and having your partner/husband raise it without their knowledge.

That bitch tried cuckoo birding me, but she didn’t know that I’m snipped.

Cuckoo Birding by Thecuckoo December 2, 2019

Cuckoo Mr. Dog 

A plain old cuckoo/weirdo person.

“Bruh, why are you acting so Cuckoo Mr. Dog”

Cuckoo Mr. Dog by Yadina Riddle May 29, 2021

CucKoo Bananas

cuckoo bananas is an expression usually said when something goes wrong or you make a certain mistake. Or simply just say the word because its fun saying it :P

"omg thats SO cuckoo bananas!"
or simply
"Holy crap im gonna go cuckoo bananas!"

CucKoo Bananas by tHAT_d0rK101 November 28, 2007