Of or pertaining to something which sucks, which is unpleasant or lacks value.(adjective)
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Use "sucky" in a sentence
"Even if you are an excellent parent, something sucky is going to happen to your child eventually, but it doesn't miss out on anything if it hasn't been born."
"One can surely live a worthwhile, even happy, life despite the assurance that "something sucky is going to happen [...] eventually"."
"Ray Harryhausen is a legend, but how many times have I heard some ‘Tard call it sucky clay-mation."