| yellow streak | |
| —n | |
| informal a cowardly or weak trait, characteristic, or flaw in a person's nature | |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a gadget; dingus; thingumbob. |