When you get an orgasm from shrek.
I got an Ogreasm while watching shrek.
ōɡər/azəm
When a specially fugly male/female climaxes. Sounds not unlike a moose giving birth. Or a dying beluga whale. May occur while eating certain fast foods.
"Dude, that heavy I picked up last night? 3 Ogreasms!"
"These fries are gonna make me Ogreasm!"
"Ughhhhhawruhuhuhuh!"