couch-cushion change

(名詞) 微不足道或非常少的錢。亦寫成 couch cushion change

His Department of Environment and Natural Resources has repeatedly thwarted efforts by environmental groups to hold Duke Energy responsible for its malfeasance in several such spills. For example, the DENR "punished" Duke for the Asheville-Riverbend spillage by fining it all of $99,111, or as some environmentalists have called the fine, "couch-cushion change."
—"C. Mosby Miller: Legislators ignoring spillage," The News & Observer (Raleigh, North Carolina), February 21, 2014

Squirt a little water on an opponent after a whistle? Well, if the target's Crosby, that's a $5,000 fine. Probably more if the players union hadn't negotiated a maximum that amounts to couch-cushion change.
—Rick Carpiniello, "Officiating is dragging down the Stanley Cup playoffs," USA Today, May 23, 2014