Licking and sucking on a clitoris to make a woman very hot and very wet.
His tongue-flicking and persistent sucking made her engorged clit stand out like an oyster in a delicious, fragrant, steaming cup of liquid. He was making oyster soup.
The final stages of a bukkake-style movie, where the male performers crowd in towards the face of the female star prior to ejaculation.
Jemima looked around in nervous anticipation as George, Alexander, Hugh, Roger, Trevor, Claude, Martin and Harry shuffled closer to her, manhoods standing proud. She could see the troops massing at the border, and it was only a matter of seconds before she was the cover star of the Tatler bukkake special.
Getting really excited for something beyond logic or reason.
This is from an extension of the wrestling fan phrase and has grown into the modern lexicon. It usually comes from something you enjoyed in your childhood that you still enjoy into adulthood without logical reason.
"Dude, I totally am marking out for the RUSH concert"
"Man, when I saw Ozzy Osbourne... I started marking out"
"Theo Fleury is trying to make a come-back? I'm totally marking out dude!"