Another term for a nice, round butt. Can also be a butt with nice proportions; usually referring to women in spandex. But, can also refer to men with fairly plump, perky buttcheeks.
Brandon: Hey man, look at Dave's doopadoop! He must be squattin more.
Shawn: I know. I wish my doopadoop was that perky and plump.
an object in which you cannot identify the name despite your efforts. The word is usually preceded by a pause as you perform a mental search for the object's name... unsuccessfully.
Silly Sally forwarded an email as a joke to all her friends and Billy Joe responded with such technicalities on the entire email - what a DOOFALOFFOGUS!