Adjective. Descriptive of a woman who is small enough to be carried around during sex, while being penetrated. Similar to a spinner. The most interesting position for a portable woman is the walking 69, usually seen in porn videos. Do not attempt this at home.
She's so small, she's completely portable, so we walked all over my apartment while we fucked.
A program that doesn't require installation, meaning you don't need administrator privileges to use it, and doesn't require a crack/keygen. Similar to a preactivated program, except it's all packed into onesimple .exe file, with no or very few supporting files.
An easy way to avoid installing a program and taking up to much space, is downloading a Portable Program.