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1.
1. to be of a banterrific disposition; to 'excel in the art of banter'.

2. descriptive term used to illustrate the playfully literate nature of a person's social interaction
"That was a most bantiferous moment when you popped the weasel, Tarquin"

"Thanks old bean. One tries one's best"
by Zach_banter February 16, 2006