A sex partner with whom one has sex, usually repeatedly, but without any romantic attachment (no strings attached).
An act of sexual intercourse, especially one lacking passion or a feeling of sincere love.
An act of mistreatment.
An intensifier, often applying more to the whole utterance than to the specific word it grammatically modifies.
Offensive, annoying or worthless.
Really, very; having intensive force, often applying to the whole sentence or clause.