Another AK one

This hand had me a little confused Villains 4-bet after the limp has to be QQ+ and probably AA/KK. I feel if I flat call then BB is obviously going to call giving me AK oop against 2 players, however this isn't so bad if I hit the flop with a draw, since I'm likely dead pre-flop.

Villain is playing 19/2 and BB 23/7. I'm 4 buy-ins down and running like shit,usually my tilts lead to me playing too passively. I feel like I'm over compensating with AQs I think I can fold pre-flop.

GAME #642965801: Texas Hold'em NL $0.25/$0.50 2007-09-01 10:48:47
Table Lorne
Seat 1: BB ($65.70 in chips)
Seat 5: Villain ($72.67 in chips)
Seat 6: UTG+1 ($60.05 in chips)
Seat 8: MP ($49.15 in chips) DEALER
Seat 10: kagey22 ($50.75 in chips)
kagey22: Post SB $0.25
BB : Post BB $0.50
*** HOLE CARDS ***

Dealt to kagey22 [Kh Ah]
Villain: Call $0.50
UTG+1: Fold
MP: Fold
kagey22: Raise $2.25
BB: Raise $7.00
Villain: Raise $12.00
kagey22: Raise $48.25
BB: Fold
Villain: Call $38.25

if villain (4-bettor) is 19/2 over any decent sample, and i mean as little as 100 hands, then i fold AK right there. 2% pft is one thing, how often do you think someone like that 4-bets

The limp then 4 bet under the gun smells fishy, especially from a 2%'er as Bode said. I'd say 'hello AA' and fold.