Someone who wastes your time.
"Miss, this wasteman is waffling, kick him out of class"
by Evryone has namb November 19, 2020
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In the famous lyric by artist Lady Leshurr, "Who stood up when Grenfell? Where's all the money we raised then? Theresa May is a wasteman!"
by JezzaCorb December 7, 2017
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Also known as someone who said they will do something and then do jack shit.
Me: Matt, can you get a cake for Paula's birthday for tomorrow?

Matt: Sure, no problem, leave it with me.

The morning of the birthday, WhatsApp from Matt:

Matt: I'm sorry, I totally forgot about the cake, can you sort something out?

Me: YOU ABSOLUTE WASTEMAN!
by Monsoon Miah August 16, 2018
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(noun) A frequent insult principally aimed at a "waste of space"
by jon_ilford November 22, 2005
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Guy named Robert, his girlfriend needs to end it asap, she can do better. He needs to get his life sorted, can’t keep fucking over his girlfriend. Has no life goals and nothing to work towards.
by Ganggganggexposing December 11, 2017
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He’s the guy that expects the world but gives zero back.
He wants for nothing unless you’re paying.
He’s out for a deal wherever he can find one.

He’ll stay at with you and your gf but ignore your gf.
He’s tardy with time and expects you to drop plans with your gf to watch him try on suits.

He’ll speak to you once a year (when he wants you get get him something) and make you best man.
by Badbitch4 June 11, 2019
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