penny-ante

adjective Informal.

1. involving a trifling sum of money; small in amount: a penny-ante investment.
2. inconsiderable; minor; small-time.

noun

1. Cards. a game of poker in which the ante or basic bet is one cent.
2. Informal. any business arrangement or transaction involving a trifling or paltry sum of money.

adj.“cheap, trivial,” 1935; extended from use in reference to poker played for insignificant stakes (1855), from penny + ante.