How do you spell Hannukah?
"burglar's crowbar," 1848, variant of jemmy, name for a type of crowbar much used by burglars, special use of Jemmy, familiar form of proper name James (also see jack).
1893, from jimmy (n.). Related: Jimmied; jimmying.
A condom: That's right, condom fashions, with small pockets for what kids call jimmys (1990s+ Teenagers)