For "culturally accepted" slang, yes — the kind that you'd actually find in a "modern" and unabridged dictionary. Not so much for the kind of passing-fad slang

For "culturally accepted" slang, yes — the kind that you'd actually find in a "modern" and unabridged dictionary. Not so much for the kind of passing-fad slang or "cultural niche" slang that you'd generally look to UrbanDictionary for if it were English.