undumpable 

i am so freaking tired of hearing that ralph in tampa FL is undumpable, get rid of her arse, you have better things waiting for you

gawd, dont you hate it when you are dating a guy and he lives with a freaking RALPH who is undumpable for some unfortold reason...must be a golden vay-jay-jay

undumpable by ramacat October 14, 2008

uncumable 

When one is, through possible over-indulgence of various substances, or by simply being a master in the art of ass-tappery, unable to cum despite trying incessantly.

One of the two different categories of whiskey dick, one a dysfunctional penis, the other, and overly functional dick.

"Dude she thinks I'm a god of the dick, I was uncumable"

uncumable by Nate Froggy Frogg September 23, 2011

Unbumpable

To be near impossible to swindle, cheat or conned out of something financial. See noun 'bump' (London slang version)
To be savvy enough to avoid paying too much for an item(s) and or service(s)

They are trying to bump up the prices because we are tourists but they don't know I've been here eight times, I'm unbumpable

Unbumpable by Mr Clumsy March 22, 2017

Undipable 

The small fragments of crisps/nachos etc

Guy one: yo bro pass me da nachos
Guy two:u sure all that's left is the undipable

Undipable by B man1999 April 24, 2015

unjumpable 

Means "unable to be jumped." Used by fools that cannot use proper grammar.

The 100 foot high wall was unjumpable.

unjumpable by Justin Kramer January 7, 2008

Uncummable

When you're trying to make someone cum and you're doing everything that you can and using every trick in the book and they just can't/won't cum

I went down on a chick for two fucking hours and she just didn't cum.

She's "Uncummable"

Uncummable by Trucky Pup January 28, 2017

Uncuppable

A new way to say someone is incapable when you get confused and are pretending to be a word smith.

That guy can't do that.... He's uncuppable of completing the task

Uncuppable by thunderpanther September 30, 2019