pop a red
When a male dog get's a boner.
I was petting my dog Bruce right before I let him inside, and he decided to pop a red right in front of me.
Popped a Red Cap
To masturbate so vigorously that your penis begins to spurt blood
Ricardo popped a red cap while watching Human Centipede.
I just listened to the seminal blues song, 'Red Caps a-Poppin', by Billy B. Goode
I just listened to the seminal blues song, 'Red Caps a-Poppin', by Billy B. Goode