This big. Around 1,300 lbs to be inexact. Plus "its heartbeat can be detected from two miles away and a human can fit in its arteries." Not only that, I heard their sperm are the size of jet-skis. Just kidding, I'd still ride on one though.
MyWhaleWeb (hey mine shoots webs too!)
How Big Is a Blue Whale's Heart? [geekosystem]
Thanks to Melissa, who really loves whales. Like, to the point where she has stickers of them all over her Trapper Keeper. Nice, psycho.
Read More: alton brown -- what's the ruling: good eats or no?
, holy smokes
, mine's way smaller (heart only -- we're tied in the penis department)
, mother nature
, now that would make for one serious heart-attack
, that's large