It happened on playdota.eu, but they told me they don't solve whispers so here i am.
My nickname ctrl^(was sentinel), his nickname illusioner(was scourge).
here is link of game if u need it on playdota:

http://playdota.eu/stats/game/2642993/rdeu1700-8

i haven't told him anything, i've ignored him also via playdota command !ignore cause he was spamming in chat he wants rmk, some guy was feeding in their team...(he got the rmk).

and here is result 20 sec before rmk.

http://imageshack.us/photo/my-images/256/flamero.png/