To have sexual intercourse, specifically penile penetration of a soft tissue orafice. Originated with the internet slang term p33n and worked its way into speech through overuse by internetgeeks.
"...I walk in and she's getting peeninated by six guys from the football team!"
1) The act of, relating to, or given to walking about;
2) Moving or traveling from place to place to freekin place;
3) Snooking around touching every damned thing around;
4) Cant sit still or settle down; and
5) Constantly, without rest, surveying, reconing, and otherwise annoying the hell out of everyone by any of the above actions.
1) Your two year old is is a damned peripatetic, he just cant sit still and is always ge'in into shit. Itinerant.
2) Billy Ho is the best peripatetic I know -- He is all up in the bitches: hitt'in them here -- Tapp'in that ass there....