They were caught hanky-panking in the office.

She hanky-twists her hair when she's nervous.

She hanky-twisted her hair into a bun.

She is hanky-twisting the fabric to create a unique design.

She always hanky-twists about the smallest things.

The hanky code is a system of color-coded handkerchiefs used in the gay community to indicate specific sexual interests or fetishes.

Hanky codes are a way for people in the LGBTQ+ community to communicate their interests and preferences.