In The Force Awakens, at first appearance of Leader Snoke it looked like he was a giant, which made me sad because AFAIK there are no giant humanoids/bipeds in Star Wars.
Chewie is tall but not outside the range of human height. Hutts are big but not outlandishly so (in the range of everyday animals humans see on earth, like a cow), and are not humanoid.
There's a pretty big alien in Maz's castle in TFA, but not near the same scale as Snoke appeared, and only a bit larger than the largest super obese humans I'd say from my memory. The Rancor is bipedal but not sentient. Anyway, a giant humanoid seemed really outside the band of Star Wars style that I know of. So I was relieved to realize Snoke was shown only in giant hologram form, so he is (hopefully) not actually a giant.
But I only know the movies.
Are there giant sentient bipeds in the extended universe? By giant lets define that as being significantly (2x or more) larger than the largest known humans in real life. By bipeds I mean humanoid body styles, two legs and two arms. And by sentient I mean intelligent.