You spend a lot of time configuring your vimrc, and now that you are sitting working in other computer and you can stand working without your predetermined vim configuration!.
But you can start vim with a specific configuration file. In this example,
we consider a vimrc file hosted on the web (github).
The command is:
$ vim -Nu <(curl url -k)
$ vim -Nu <(curl https://raw.githubusercontent.com/astudillor/vimrc/master/vimrc_nopluggins -k)