| zap | Verb. To cook food quickly in a microwave oven. [Orig. U.S.] |
| zapper | Noun. A TV remote control unit. |
| zeppelins | Noun. Women's breasts, usually implying of a large size. Probably abbreviated from a 'like a dead heat in a Zeppelin race'. |
| zhoosh | Verb. To tidy or make more attractive by styling. Also as zoosh and zhuzh. [Polari] |
| zhooshy | Adj. Stylish, attractive and extravagant, showy. Many spelling alternatives including shushy, jujjy, zuzshy. [Polari] |
| zilch | Noun. Nothing, zero. [Orig. U.S.] |
| zip it | Verb. Stop talking, shut up. Usually in the imperative. [Orig. U.S.] |
| zit | Noun. A spot, pimple or boil on the skin. [Orig. U.S.] |
| zonked (out) | Adj. Worn out, tired. E.g."Any chance we can have a rest? I can't go any further, I'm totally zonked." |
| zoot | Noun. A marijuana /cannabis cigarette, a 'joint'. |
| Z's | Noun. Sleep, a nap. Pronounced zeds. E.g."I think I'll get some z's before we leave." |