No reads. Weird play. I'm lost.

[Laetus]

<font color="green">To call or not, that is the question. Pot is $144 and he's betting $272,16.</font>

EverestPoker Game #1855465333: Table Nassau-0 - $3.00/$6.00 - No Limit Hold'em - 18:00:36 - 2007/07/26
Seat 1: xavier15 ($341.16)
Seat 2: DronpaUK ($753.20)
Seat 3: MADSAM ($597.00)
Seat 4: jackho ($1,697.95)
Seat 5: HERO ($611.50)
Seat 6: merwin ($643.45)
xavier15 posts the small blind of $3.00
DronpaUK posts the big blind of $6.00
The button is in seat #6
*** HOLE CARDS ***
Dealt to HERO[8s 8h]
MADSAM folds
jackho folds
HERO raises to $21.00
merwin folds
xavier15 calls $18.00
DronpaUK folds
*** FLOP *** [Tc Th 3h]
xavier15 bets $48.00
HERO calls $48.00
*** TURN *** [Tc Th 3h] [Td]
xavier15 bets $272.16 and is all-in
HERO ?