When you're afraid of getting sexually aroused for a short period of time after one of your close relatives passed away because you think they're watching over you from heaven.
Guy: Dude, I saw some wicked porn last night, but ever since gammy passed away, I've had sever Mourning Wood..
Dude: You mean like when you wake up?
Guy: No... Look it up on urban dictionary dumbass
Dude: You mean like when you wake up?
Guy: No... Look it up on urban dictionary dumbass
by Acronomicon March 07, 2014
When fighting/murdering someone, they may produce an excessive amount of blood. This will have to be cleaned heavily to remove any evidence, hence the term "mopped"
by Acronomicon June 06, 2015