When an orifice(s) are filled with copious amounts of gushers candy, and is then fucked. Upon orgasm, the full contents of the orifice(s) are spewed out.
"When I showed up they had 6 packets of gushers on the night stand and said it was for the Nickelodeon Slime Tsunami. I knew I was in love"
A sexual act involving consenting individuals wherein gushers are inserted into various orifices. Said orifices is then aggressively fucked until the gushers are fully melted, it is then the recipient spews the slimy substance from said orifice(s) all over the giver.
"She told me to give her the Nickelodeon Slime Tsunami anally and I KNEW she was the one.