umbroner 

When a man wearing Umbros is packing a raging, throbbing boner.

I was making out with my high school girlfriend, but I had the biggest Umbroner.

umbroner by Rabidguppy February 14, 2015

umbroversary 

Widely recognized term for 4th anniversary, due to Umbro's famous "grid" pattern shorts and the number four.

Wow, they celebrated a bangin umbroversary, even though it's a pandemic

umbroversary by umbro_guy February 7, 2021