twacker means: A person who believes they are capable of performing but is absolutely useless. Combination of twat, wanker. (in Community Dictionary, added by Toribio Garrido)

What else does twacker mean?

  • Someone who seems a bit out of touch. (in Community Dictionary, added by Paul Silva)
  • Someone who uses fake marijuana. (in Community Dictionary, added by Johan Evans)
  • An addict to methamphetamine hasn’t forgotten that they use it, which makes them somewhat invulnerable to paranoid hallucinations and delusions often linked with methamphetamine. (in Community Dictionary, added by Hezekiah Sandoval)