mdma is extremely water soluble, so you dont really have to crush it if you dont want. Crushing chunks is probably only used for filling caps or for people who sniff it, if you eat a chunk thats fine.
You could also leave it under your tongue, but I imagine that would taste very bitter (in other words gross lol, might make you gag if you dont wash the taste down with pop/ juice/ mixed drink lol)...and I've also read that because mdma is a chemical salt, it is really bad for your teeth, and so not allowing it to sit in your mouth is probably a better idea, but im sure you'll be okay either way (not like you chew it up daily, that would probably have its consequences though).
A lot of my friends will either parachute it in a piece of tissue, or crush it up and pour it into a shot of juice or into their pop...i usually just eat it up, or drink a juice shot (just make sure to drink a couple shots of juice to get anything leftover at the bottom of the shot glass).
One thing I love about mdma is how you dont really need to redose...if you start to dive into cocaine, once you do a few lines, you've practically committed to finishing whatever you got left...mdma is wonderful in that you dont feel the desire (or NEED to do just one more [Line]), like cocaine.
Some people like to redose after say 2-5 hours into their trip, but generally this is the only time a person will redose of mdma...because it floods your body with serotonin (a feel good hormone), redosing usually will not produce stronger effects as most of the serotonin is already used up in your body from the first dose...
This is called diminishing returns, and if you were to munch down on say 10 pills over 3-5days, by tye last days, the drug will have little to no effects on the body, other than producing energy the same way speed would. You will have lost the love, sympathy, friendliness that accompanies regular mdma use.
So looking at it that way, it is okay to redose after a few hours if you think you need it, but don't expect to get that first blast of passion like off the first dose