While I was doing Anki I found つった and I don't know what this means, is it つって but past tense? Here is the full sentence.
俺もよくついてる 知ってるものを 知らないっつったって
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Sign up to join this communityYes, つった is the past-form of (っ)つう or (っ)つー, which is a slangy contraction of と言う or って言う. つう doesn't fully conjugate like a regular godan verb (we do not say ついます, つえば, つわない, etc.), but it does have the te-form and the ta-form:
Some non-straightforward examples:
Related: