2 definitions by Maddie 6
When a girl is on her period so won't sleep with you and you end up sleeping somewhere else, like a slide in a park.
Laurel: "Did you sleep with that really pretty girl at the weekend?"
Moonbear: "No she was sliding. Selfish bint. And it was cold."
Moonbear: "No she was sliding. Selfish bint. And it was cold."
by Maddie 6 December 14, 2009
Substitute Sliding Fuck Buddy Friend. For when your fuck buddy is on her period or sliding and you need a substitute.
Squeak: "I thought you were only fucking Valerie?"
Spiderman: "No Valerie is my main FBF but when she's on her period I sleep with Helena. She's my SSFBF."
Spiderman: "No Valerie is my main FBF but when she's on her period I sleep with Helena. She's my SSFBF."
by Maddie 6 December 14, 2009