When something is fantastic, awesome, great, fly, bomb, etc.
Yo girl, that bling be fantiziliastic!
A very soft (mushy) bowel movement in which an individual wipes their anus over and over again without any great success, resulting in an itchy butt, and the use of a whole roll of toilet paper.
Dude! Why is it that you always get mush tush at my house?! You owe me some Charmin you stinky bastard!