Definition of fool with
1 : to handle or play with (something) in a careless way Don't fool with that gun.
2 : to deal with or be involved with (something that causes or that could cause trouble) The company doesn't want to fool with small distributors.
3 : to deal with (someone) in a way that may cause anger or violence I wouldn't want to fool with that guy.
Word by Word Definitions
: foolish, silly
: to behave foolishly
: to meddle, tamper, or experiment especially thoughtlessly or ignorantly
: to play or improvise a comic role
Seen and Heard
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