People:
* The lank teenager towered over his friends, his limbs seeming too long for his body.
* She had a lank figure, with long, thin arms and legs.
Objects:
* The lank branches of the willow tree drooped over the pond.
* The lank blades of grass swayed gently in the breeze.
Figurative Language:
* His lank fingers nervously tapped on the table.
* He had a lank and uninspired style of writing.
Important Note: "Lank" can sometimes have a slightly negative connotation, implying a lack of muscle or substance.