Too lazy to download man-db? Yeah just let your web browser do it for you :)

man

#!/bin/sh
if [ $# -ge 2 ]
then
        cat=".$1"
        shift
fi
if [ $# -ge 1 ]
then
        xdg-open "https://man.archlinux.org/search?q=$@$cat&go=Go"
else
        echo "man what?"
fi