Phantasmagasm 

To experience flashing, unrelated images in frequent succession whilst in a spasmic state, such as having an orgasm or having a fit (often drug related).

"seriously dude that shit gave me a phantasmagasm"

Phantasmagasm by Ze|ane December 9, 2008

Phantasmagasm 

Portmanteau of phantasmagoria and orgasm
indicates a euphoric psychedelic experience

LSD always seems to cause the best phantasmagasms

Phantasmagasm by iamslegend233 June 10, 2013

PHANTASMORGASM 

A band from Denver, Colorado from the 1990's.

I really dig Phantasmorgasm.

PHANTASMORGASM by T Douglas January 17, 2009

Phantasorgasmic 

an orgasm of EPIC proportions

"Dude, I saw Stephanie Yau naked the other day and I came."

"Oh, Dude, how was it?"

"Phantasorgasmic."

Phantasorgasmic by sarznewjarz September 26, 2008

Phantasorgasmatron 

Ghostly controled sex machine

We had fun on Thursday playing with the Phantasorgasmatron, did we not?

Phantasorgasmatron by HENRYNHER October 12, 2019