It may not work. I haven't tested it.
Are the objects still considered two separate objects once they're glued together?
Also, if your intent is to have Kirby suck up an enemy and hold it in his mouth, you may want to try using code to hide the enemy once it's in his mouth, then use code to keep the enemy in the same place as kirby until it is to be spit out. Also, make sure the enemy doesn't damage Kirby while it's in his mouth.
By the way, you should try getting Sparky's Collision DLL. It's significantly better than DBP's built-in collision commands. I'll have to find the thread for you.
EDIT:
http://forum.thegamecreators.com/?m=forum_view&t=74762&b=5
Try that link, it should get you to the right place to download it. The instructions for installing are in the readme. The demos have not been updated to the latest version, by the way, so be careful there. Of course, get the DBP version.