How do you interpret a stupidly big reraise allin?

[speedgun]

2nd hour into a $11 rebuy, hero is within top 15 chip leaders among 170ish remaining players. Joined the new table about one and half orbit ago, so no specific read on the villain. Hero bet/raised and took two pots so far, show down once where hero had a strong hand.

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

UTG+1 (t8940)
MP1 (t6020)
MP2 (t21020)
MP3 (t29750)
Hero (t29215)
Button (t23530)
SB (t14540)
BB (t7475)
UTG (t21470)

Preflop: Hero is CO with Q[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">5 folds</font>, <font color="#CC3333">Hero raises to t800</font>, <font color="#CC3333">Button raises to t23505</font>, <font color="#666666">2 folds</font>, Hero ???