Going up

It's like going down on someone, except they're sitting on your face.

Going up on your girl is the best way to treat her for her birthday.

Go up?

When you really want a kebab but are too drunk to correctly enunciate your sentence.

"Go up?" "you'd like to go upstairs?" "noooo I want a kebab!!!"

Going Up

When you have to say a line but the line is not in your brain.

Backstage during a show:
Boy: You were going up back there.
Girl: Yeah, I definitely ruining the show.

Go up

its like go down but you say it if you're a boy with an upside-down face.

"Maybe someday we'll get married and you can go up on me." -Jake Tucker

going up

When one spit washes, licks, or sucks their partner from toe to pelvis. The alternative to "going down."

Yo, I was already to go down on this chick but it turns out she had a foot fetish and she wanted me to start going up!

Go up top on

To hit or hook somebody

Ayo keep poppin off and i'ma go up top on you yo.

Going up stream

When a individual inserts their fist into a mans penis.

I was going up stream last night when he pissed all over my face.