(Internet slang) I just got here, so please tell me in three lines what happened.

second person personal pronoun: you

sudden

counter for loaves of bread

apple

muscle, tendon / vein, artery / reason, logic / plot, storyline / counter for long thin things; counter for roads or blocks when giving directions / lineage, descent

water dropwort (Oenanthe javanica)

be mindful of / be prudent

platinum (metal) / (rare, possibly obsolete) silver, particularly silver powder used as a pigment

prohibition