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.
The accompanying adverb is intravenously, as in: The glucose was given intravenously.. The word intravenous as a noun refers to an intravenous fluid drip, a solution (usually a balanced electrolyte solution) administered directly into the venous circulation.