a. To be cockblocked by the person's boy/girlfriend.
b. A man that wears a lot of jewelery/flashing ornamints to attract someone/attention.
1. "Damn, I'd be all over that cutie if her boyfriend didn't have his manyard on display."
2. "Tommy tried to dance with that girl, but his girlfriend grabbed him by the manyard."
1. "Bill has a buttload of manyards on tonight, he must be desperate tonight!"
2. "LOL, look at 50 Cent with all them manyards on in this video..."