Informal. confused, chaotic, or disorganized.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use fouled-up in a sentence
The sabotage has really fouled up the west coast trains, and shipments haven't been coming through on schedule.Bear Trap | Alan Edward Nourse
The Partners seemed to take the attitude that human minds were complex and fouled up beyond belief, anyhow.The Game of Rat and Dragon | Cordwainer Smith
That meant that whatever it was that had fouled up the controls was on the other side of the firewall.The Bramble Bush | Gordon Randall Garrett
You've fouled up our plans with your meddling down in New Orleans.The Ambassador | Samuel Kimball Merwin
The roots of the bushes fouled up the detection instruments if they got to them.The Happy Man | Gerald Wilburn Page