The act of moving from one place to another during sexual intercourse mid-session. Immigration sex is a great way for men to last longer, a nice change of pace, and preventing rugburn of the knees/ass.
Jess: I'm inventive. We started our immigration sex in the shower once and ended up in the bed.

Me: Orly? Did being all wet make you slip on the way to the bed?

Jess: Yeah it did, but as we slipped his dong landed right in my vag, definitely crossing my border.

Me: Were you okay with that? Some girls I know are against border hoppers.

Jess: Oh yeah, immigration sex definitely improved this country. ;)
by silasam July 18, 2010

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