Noun
Typically a substance, (usually alcohol) which, when consumed will make a person
banterogenous and will cause them to execute banterous behaviour.
Can also refer to a person who, as part of group of lads will be the
dedicated 'banterogen' - A person who will nearly always be the one to begin a banterous
conversation.
"Dave drank so many 'banterogens'
last night, his banterous
behaviour became almost unbearable."
-or-
"Dave is such a 'banterogen'! He always makes
the lads giggle