sucky

adj

1. Suitable for sucking

   “a sucky sweet”

2. (slang)Being something which sucks, which is unpleasant or inferior.

   “That comedian was pretty sucky on TV last night.”

   “My mother-in-law. Who's^([sic]) isn't sucky, you ask? Mine's exceedingly sucky. More than average I'd say. She tries to turn my wife and kids against me […]”

3. (slang)Tending to suck up or ingratiate oneself.

   “Oh no, you'll spoil her, too much sugar is bad for them. / Surely one won't hurt, just this once, Mildred. / And sucky Janine: Oh yes, can I Ma'am, please?”

noun

1. (colloquial)A pacifier.
2. (slang, vulgar)A fellation, a blowjob.

   “Like postman I am pat Gave a sucky then i spat”

3. (slang, vulgar)A fellatrix, a blowjobber.

   “She a sucky acky, lucky fucky”