look up any word, like ratchet:
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