품질이 매우 좋지 않거나 불쾌하고 짜증스러운.
Very poor in quality; highly disagreeable, unpleasant, or annoying.
예문:
"I had a really sucky day at school because I failed my math test."
"The weather was sucky all weekend, so we couldn't go to the beach."
"This sucky internet connection is making it impossible to watch the video."