Kerblumpkin

When the person receiving a blumpkin drops a huge turd and the person giving the blumpkin gets a huge splash of shit water on the underside of their chin; When the person giving a blumpkin gets water splashed on their face from a dropping or exploding shit.

Kerplunk + Blumpkin = Kerblumpkin
I need to wash this shit water off my face because my boyfriend gave me a gnarly kerblumpkin.
by BSleepy June 13, 2010
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kerblumpkin

true love, getting a blowjob while on the toilette
my g/f gave me a kerblumpkin yesterday!
by UsedCarMan September 11, 2005
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Kerblumpkin

Getting a blowjob/head while standing over the toilet vomiting. Not as regrettable as the variation blumpkin, and easier to accomplish
After a few too many drinks, nausea set in and while vomiting in the bathroom I pulled my pants down to start getting some kerblumpkin. When she was done she told me she loves me.
by Pat McKrawch July 27, 2023
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