...And hence, the discovery of a new spesis..

Sarah : (blah, blah, blah) .... labbit.... (blah, blah)
Me : Sarah, it is pronounced as RABBIT, R for "rrr"
Sarah :llllabbit (smiling widely)
Me : (knowing that she's doing it on purpose, I stressed again) R, rrrr, RRRRabbit
Sarah : LLLLLLLehhhhbittttt!!!!!!!!!!!!!
(this went on for quite a while and I know she is purposely trying to annoy me)
Me : (losing patience) Sarah, THERE-IS-NO-SUCH-THING-AS-A-LEHBITTT!!!!!!!!
Sarah : Mummy, Labbit is a new type of Rabbit!! (grinning)
Me : !!!!!

Verdict:
Mummy - 0, Daughter - 1. :(