Anywho, here's what you do.
3) Paste this code from Wowhead
4) Close it and and then every time you link to wowhead you get the mouseovers.
par example = Grime-encrusted Object (My favourite item for itemlink innuendo)
There's some other nifty tools on that Wowhead page which I'd wholeheartedly advise you to check out.