fat orgasm 

When you finally get someone you've wanted for sooo long into bed with you, and you orgasm pretty much as soon as they touch you, but it's really intense and definately the best moment of your life.

Liam gave me a fat orgasm.

fat orgasm by Han23443 June 19, 2011

Fantorgasmic 

Something so utterly fantastic you imagine yourself splooging everywhere just at the thought of it.

If I have another Fantorgasmic day like that, I can die a happy man.

or

fuck that was fantorgasmic!

Fantorgasmic by psychoticmarineman February 6, 2009

faborgasmical 

a combination of the words fabulous, orgasmic, and radical. used to describe something that is utterly, too amazing for words.

That party was super faborgasmical.

faborgasmical by Gangster-Nation April 29, 2007