Kirk Cousins Hawking 'You Like That!?' Shirts ... For Charity

Kirk Cousins is turning his biggest NFL moment into a profitable moment ... selling, "You Like That?!" shirts ... but it's all for a good cause.

After the pumped up Washington Redskins QB shouted those 3 words at the media following his comeback victory over the Bucs this weekend, the video went crazy viral.

Now, as our friends at BSO pointed out ... Cousins is getting in on the action -- with $23 shirts to memorialize the moment.

Cousins says proceeds will benefit the International Justice Mission to support ending violence and oppression of the poor worldwide.