crossing the border 

When a man's cum drips out of a women's pussy and ends up in her asscrack.

When I was finished fucking this slam pig, she laid there as my jizz was crossing the border.

crossing the border by Dradran August 6, 2013

Crossing the Border 

As a male, having sex with a Hispanic female.

Ken: "Dude did you hook up w/ that fine ass Latina last night?"

Ryan: "Hell ya dude, I fucking crossed the border!"

Ken: "You went crossing the border? Nice. Slap hands!"

Crossing the Border by Bro Fuss November 22, 2009

Crossing the Border 

To have intercourse with ones sexual partner with one leg up in the air.

Dude you look tired.
I know, I was up all night crossing the border.

Crossing the Border by StantheMan'08 January 23, 2008

Crossing the Danish Border 

To switch change sexual preferences from any category or sub-category to something new.

Dan just crossed the Danish border when he went home with that girl. He has been gay for years.

Alice freely moves about the Danish border.

Eric: I am crossing the Danish border tonight - that guy's body is just too hot to pass up.

Crossing the Danish Border by Bordercrosser June 14, 2014