When someone punches an erect penis straight in the tip.
ex. Anthony gave Dan a fritzjob and flattened his erect cock on sight.
The Crevice of Justice, or the "COJ" is the space at the base of the penile shaft, between the base of the penis, and the anus.
Jake's Crevice of Justice itched all day long, so he scraped his fingernail through it.