As an adjective hilly
is (of a landscape) abundant in hills; having many hills.
As an adverb hiply is
in a hip way.
hilly
English
Adjective
(er)
(of a landscape) Abundant in hills; having many hills.
hiply
English
Adverb
(
en adverb)
In a hip way.
* 2008 , Kerry Soper, Garry Trudeau: Doonesbury and the Aesthetics of Satire
- ...works that use these postmodern devices have little or no political content or motivation — they are merely striking a hiply ironic, postmodern pose.