present participle of push string uphill

Third-person singular simple present indicative form of push string uphill

In East Asian mythology, a red string tied between soulmates' fingers.

(colloquial, often humorous, rhetorical question) Used as a response to a question such as "How long will it take?" or "How big is it?" when the length or size is unknown, infinite, variable, or relative.

(idiomatic) Another skill, ability or resource to be used in case of failure.

To have another means or expedient kept in reserve in case the current one fails.