Se no contexto se trata de dar ou pagar or doar pode ter o significado de MESQUINHO:
Were we being mean =estávamos sendo mesquinhos/avaros ?
A. Lacking in kindness; unkind: The teacher was not being mean in asking you to be quiet.
B. Cruel, spiteful, or malicious: a mean boy who liked to make fun of others.
C. Expressing spite or malice: gave me a mean look.
D. Tending toward or characterized by cruelty or violence: mean streets.
E. Extremely unpleasant or disagreeable: the meanest storm in years.
2. Ignoble; base: a mean motive. See Synonyms at base2.
3. Miserly; stingy: mean with money