paste @ p.pebkac.gr
usage:
$ echo just testing!  | nc p.pebkac.gr 9999
$ cat ~/some_file.txt | nc p.pebkac.gr 9999
$ ls -la | nc p.pebkac.gr 9999

useful aliases:
// use netcat(1)
$ echo 'alias tb="nc p.pebkac.gr 9999"' >> .bashrc
$ echo less typing now! | tb
// use pure bash(1)
$ echo 'alias tbb="(exec 3<>/dev/tcp/p.pebkac.gr/9999; cat >&3; cat <&3; exec 3<&-)"' >> .bashrc
$ echo less typing now! | tbb
// copy to clipboard through xclip(1) utility
$ echo 'alias tbc="nc p.pebkac.gr 9999 | xclip -selection c"' >> .bashrc
$ echo less typing now! | tbc