A mix between a Cretin (brainless stupid person) and Twonk (meaningless person) only to be used in most abusive conversations for the rarest and most annoying human beings.
Greg "Hey have you seen that Bronagh one she's more than a twonk and a cretin"
Ryan "She's a twetin"
Ryan "She's a twetin"
by BroJosef January 14, 2012