The nickname given to a young woman with a spectaculaly oversized and heavy arse, the girth of which is exceptionally disproportionate to her figure.
You spot an attractive girlon the dance floor and want to get off with her but then notice her massive arse which puts you off, "that's a one big heavy arse dumpatina" your mates say.
A supervisor has a subordinate do a particular job (that part is OK) but then says he does not even need to know anything about it. the real problem is that the supervisor does not have the skills to do the job, so he says it is below him. He dumps the work and calls it delegation. Jerry used his skills of dumpegation to make sure he did not have to do any work this week. Really, he looks like a fool because everyone knows he just does not have a clue
The ability of elected officials to provide ludicrous but catchy “solutions” to contrived and/or real problems in a fashion that convinces the constituency that the problem that didn’t exist has been fixed.
With President Trump’s turning of The Big Beautiful Water valve somewhere in America, and The Peoplebelieving he fixed it, the dumbnation of the country was complete.