The dog 'went wee-wee' on the carpet. [=the dog urinated on the carpet]
She's 'a wee bit' late. [=a little bit late]
The doggie 'wee-weed' on the carpet.
(..) will go to Gryffindor Tower. Now. Potter, you and l will find Mr. Weasley. There's something the both of you have to see. l warn you. This could be a wee bit of a shock. Hermione! She was found near the library. . . . . .along with this. Does it mean anything to either of you? No. (..)2002 Harry Potter and the Chamber of Secrets