ejaculate a rainbow 

1.(especially among men)A metaphor. It means to become sexually attracted by a member of the same sex. Also known as gay love at first sight.

2.What every gay man would wish would happen after a very intense earth-shaking orgasm after assfucking his partner.

Examples:

1.I had long quit being Catholic because when I was an altar boy, I'd suspected that the priest has been ejaculating a rainbow over me.

2."Oooooaaahhhhhh maaan! That was incredible!" *ejaculates a rainbow* "And your ass is my pot of gold!"

ejaculate a rainbow by Mark H July 15, 2004

Sing A Rainbow 

To vomit.
To "Shout Soup".

"I had a great night last night, though I did have to stop on the way home to Sing A Rainbow"

Sing A Rainbow by Georgeos August 9, 2009

throw a rainbow 

providing a completely straight male individual who enjoys clothing or phraseology typical of the homosexual culture the knowledge he does so.

Matt likes deep v necks and 3/4 pants, what can you do?

Throw a rainbow.

throw a rainbow by ilikegays October 6, 2009

step on a rainbow 

v. to transform from the temporal plane & move to the astral plane; the act of dying.

i feel really bad for Roger, his mom's sick & pretty soon she's going to step on a rainbow.

step on a rainbow by yojinbou February 10, 2008

making a rainbow 

when two lesbians eat each other out whils they're on their periods the spit period blood into one anothers mouth.

I caught janet reno and rosie o'donnel making a rainbow.

making a rainbow by burrito pope December 19, 2006

straight as a rainbow

what molly's boyfriend is.

when audrey and gaby asked how rio was, molly said "hes a fag; straight as a rainbow!"

straight as a rainbow by audzilla December 24, 2008

painting a rainbow 

when a guy does or wears something that makes him look gay

OMG did you see what josh is wearing he is so painting a rainbow

painting a rainbow by k&jlove1005 March 6, 2009