Opticasm 

Opticasm, is the usage of both Optimism, and sarcasm.

"Mark, we can totally expect to have 300 hotel guests coming in today on our slowest day." - The speaker is showing optimism, and sarcasm. Thus, Opticasm.

Opticasm by Joshua (Renown Recon) McClain January 27, 2010

Optigasm

1. The be all end all of all orgasms
2. Orgasm to the thought of Megan Fox
3. An Orgasm brought on by a transformers fetish

Jeremy: Oh shit I just had an Optigasm
Lucy: God dammit we're not watching Transformers ever again

Optigasm by The Trantastic Johnny G February 23, 2009

Optigasm

When you see so many hot girls/guys back to back that the light impulses slowly travel down to your genitals and turn you on.

Hey dude, I just passed by the strip and you wouldn't believe how many babes I saw in a row. I have to go clean myself up because I just had an optigasm.

Optigasm by runitdude April 21, 2015