That all depends on what you call a "thick waist". You can't have a tummy tuck unless you have loose skin. Tummy tucks (http://discoverthebeauty.com/gallery-body-procedures-tummy-tuck.html) remove excess skin and tighten your muscles under your skin. This is frequently combined with liposuction, which removes excess fat from under your skin. Liposuction, (http://discoverthebeauty.com/liposuction.html) is the most likely procedure to reduce the size of your waistline. You can see some pics of each if you click on the links.
Daniel Markmann MD
9171 Baltimore National PikeEllicott CityMD21042US
Photos would be very helpful to see what you are describing as a “Thick Waist.” Often a combination of Liposuction (prone & supine) with an Abdominoplasty can be required to produce the slimmest waist possible in a patient. Here is link of some examples ( http://garyculbertson.com/body-plastic-surgery-before-and-after/ ). Consider a consult with an ASAPS Member in your area to address your concern(s). They are experts in Body Contouring procedures. Best,
A 'thick waist" can be caused by a number of things. An abdominoplasty can correct some of these. To determine if a tummy tuck is reasonable you need a full consultation with a plastic surgeon who you can find on this site.