When you cum in a girls mouth and hit her in the head so cum comes out her nose (angry dragon) but she vomits afterwards.
"I julie birded my gf last night" -shmoof flip
"You what?" -Berf lemoop
"I came in her mouth, smacked her head so it came out her nose and later she vomited." -Shmiff floop
"Nice." -Berf lemoop