look up any word, like cleveland steamer:
 
1.
Life's work. Lifetime achievement. Worthy of mention on a tombstone. A source of pride and contentment in one's final hour. Rhymes with "boom's tonic".
"It's a good job, but I can't make a difference in the world that anyone will care about. Nothing I'll do there will ever be tombstonic."
by Bob Stein February 07, 2010