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slightly swell. Not absolutely swell, but only a little bit
How was the concert Jonah?

Well, The Jonas Brothers have a few songs that I like, so it was swellish enough for me.
by Nonyo Binness February 28, 2008
adjective: having the qualities of being good or swell; a compliment
That shirt is so swellish! Where did you acquire it?
by Kraichsten Loshenbofeld April 01, 2009