foul up

foul someone or something up

to cause disorder and confusion for someone or something; to tangle up someone or something; to mess someone or something up. Go away! Don't foul me up any more. You've fouled up my whole day. Watch out! You're going to foul up my kite strings.

See also: foul, up

foul up

to blunder; to mess up. Please don't foul up this time. The quarterback fouled up in the first quarter, and that lost us the game.

See also: foul, up

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foul up

to make a mistake I'm sorry, I fouled up - I meant to send the last message just to Frank, not the whole group.

See also: foul, up

foul up something also foul something up

1. to spoil something by making a mistake or doing something stupid It takes the same amount of time to do things right as to foul them up.

2. to damage a machine or system Too much aspirin can really foul up your stomach.

See also: foul, up