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 software application that can be run without prior installation.
The IT guy ran a questionably legal adobe flash cs3 portable from his jumpdrive.