When she is lined upon reverse cowgirl and about to come down but you miss both holes and hit the taint
by PinHeadLarry3 November 10, 2017
women's pants (or underpants) that are so tight, they cause the same effect as "camel toe" (vagina lips are visually split apart through the fabric)
by HSW1987 May 19, 2010
you: "rachel's such a tease, she only gave me the illinois rail splitter last night after promising more."
me:" at least you got off"
me:" at least you got off"
by Wicked CP November 26, 2012
Who knows. what even is a rail splitter. They peaked when they had Emoni and haven’t been relevant since. They gon be an easy W and they are currently the worst team in the SEC. A rail splitter is the type of team you drop 50+ on with your eyes closed.
by Huronstudentsection2024 September 14, 2023