Tart-once meaning 'sweet heart' but now a derogatory word for a woman. Tee up-to organise something. Thingy / thingo / thingummyjig-any thing that doesn't have a precise name. Tightarse-someone who wont buy a drink or wont part with money. Tinnie-a can of beer.
The definition of interject is to interrupt or butt into a conversation with a sudden or abrupt statement.
noun. 1  a word or remark expressing emotion; exclamation. 2  the act of interjecting. 3  a word or phrase that is characteristically used in syntactic isolation and that usually expresses sudden emotion; expletive. 4  Abbreviation: interj.