Get a "wash your hands", "wash your f*cking hands" iron on or pick your own slogan and get an iron on with instructions to put this on your own clothes! Will work on most fabrics. only $5!
Each iron on comes with very detailed instructions and a test patch for you to try on an piece of fabric you don't care about so you don't ruin your favorite shirt!
ALSO if your request is a large one (like many words) it may be a little extra since it requires more vinyl. Email me with any questions! :) firstname.lastname@example.org