WTF!

[sh58]

Party Poker, $1/$2 NL Hold'em Cash Game, 5 Players
LeggoPoker.com - Hand History Converter

BTN: $198.40
SB: $328.20
sh58 (BB): $228.90
UTG: $42
CO: $200.55

Pre-Flop: T[img]/images/graemlins/heart.gif[/img] T dealt to sh58 (BB)
<font color="red">UTG raises to $6</font>, CO calls $6, BTN calls $6, SB calls $5, <font color="red">sh58 raises to $40</font>, 2 folds, <font color="red">BTN raises to $198.40 and is All-In</font>, SB folds, sh58 ?????

UTG Shortstack is nit
1st caller maniac
overcaller (villain) 28/10

what on earth is going on here.

i couldn't put him on a hand. sometimes people do this with midpairs, that is all i could think of