A disease that causes the infected to constantly use the wrong tense in regular speech. Common amidst amateur writers and professional doucheflagons.
Bob: "So yesterday this girl has this shirt that says 'Sluttastic' on it bro
Bill: You're a retarded person, Bob. I think you have tenselexia.
Bob: No i'm doesn't..
Bill: ...
Bob: ...
by Dr-Octagon June 18, 2008
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