thread I have quite a few nigerian colleagues
from what I understand, a LOT of money changes hands at these events, and if you were feeling unwelcome, that's probably because you had been judged to have not made enough of a contribution

I think the press-ups thing is also a modern replacement for some far less pleasant manhood-proving rituals, depending on which bit of Nigeria they're from
permalink I was feeling unwelcome well before there was even an opportunity to buy US dollars...
...from the spiv going round all the tables brandishing a huge wad of cash.

permalink a colleague who recently got his doctorate
told me he intentionally delayed submitting his thesis until after his wedding, because if he had the title 'Dr' the amount he would have been expected to give to his fiancees family would have doubled, and it was already bankrupting them