i seen that
What you say when you see a girl's butt or a guy's junk, like you just got a free show.
'I seen that!' said my friend when he saw the girl in the tight jeans.
I said 'I seen that' when I walked in and saw my brother's friend wearing nothing but a towel.
My brother shouted 'I seen that!' when he saw his friend's friend's friend's friend's friend's friend's friend.