adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
throbbing pain; aching
Describes a deep, rhythmic pain, often in joints or muscles. Used adverbially with する or と.
膝がグキグキする。
My knee is throbbing with pain.
古傷がグキグキと痛む。
The old injury aches dully.
adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
jerkily; awkwardly; with a grinding motion
Describes a jerky, awkward, or grinding movement, often of joints or mechanical parts. Less common than the pain sense.
ロボットがグキグキと動く。
The robot moves jerkily.