I can’t post these to Tumblr any more so here’s a few things for you to look at:
There’s the posts on this blog:
https://www.keephimcaged.com/tag/big-cocks/
https://www.keephimcaged.com/tag/sph/
https://www.keephimcaged.com/tag/penis-size-teasing/
And then some on BDSMLR to browse though
https://sphsizeteasing.bdsmlr.com/
https://hotbigcocks.bdsmlr.com/
https://sphpenissizeteasing.bdsmlr.com/
Also on pornhub:
‘Shock of big cocks’ on Pornhub is quite fun
Big cocks mega collection (lol)