Kolla upp vilket ord som helst, t.ex. sex:
 
1.
When one slaps his ejaculated penis in another's face smearing cum everywhere.
Dude, I totally gave your sister a sloppy milky slap last night.
av Ryan Huie 13 februari 2005
 
2.
The act of slapping one in the mouth with a penis after the mouth has been filled with ejaculate.
Randy's leg looks like somebody just gave it a milky slap.
av Wes 14 februari 2005