be (one's) man/woman

be (one's) man/woman

To be adept in a particular area and thus able to be helpful or useful to someone else. If you need help with math, Todd's your man—he got an A on the last test.

See also: man, woman

be somebody’s ˈman/ˈwoman

be the best person to do a particular job, etc: If you need a driver, then I’m your man. ♢ If you need a good music teacher, she’s your woman.

See also: man, woman