spiky

spike +‎ -y

• IPA^(key): /ˈspaɪ.ki/

spiky (comparative spikier, superlative spikiest)

1. Having spikes, spiny.
2. hostile; standoffish
   • 1988 April 16, Jim Fauntleroy, “Intimate Entertainment”, in Gay Community News, page 16:

     It started with Ron soloing on "He Wasn't Talking to Me," a quiet and wistful ballad that segued into the upbeat and spiky "Give Me a Man Who's Glad to Be Gay." This was a pride anthem about being gay with a few nudges at those carrying their closets with them to the bars (Straight looking marine seeks/straight looking cop to please/How straight can they look/when they're down on their knees?).

   a spiky personality

3. Of hair, erect, resembling spikes.

• kipsy, pisky