Green’s Dictionary of Slang

tampax n.

[Tampax, a proprietory brand of tampons]

1. (UK juv.) a general term of abuse.

OnLine Dict. of Playground Sl. 🌐 tampax n. [...] An excessively stupid or unpleasant person.

2. (N.Z. prison) a cigarette filter.

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 184/1: tampax n. a cigarette filter.