Examples:

• But can you afford to let all these hopes go down the drain?
• Fortune down the drain, that's what happened.
• Marketing aquaculture products from Ceuta can only be carried out in the European Union and, unless the customs regime for these products is changed, Community aid and investment will be money down the drain.
• We are not going to throw money down the drain.
• You know, that's, like, $9 down the drain.
• Down the drain, so don't say anything to anyone.
• Four years of education down the drain.
• What was that about something going down the drain?
• Two years of marriage down the drain.
• First, it taught us how to throw money down the drain.