1 definition by Sidney&Henry

The girl you need to fuck after a whole night of hard sex.
Dude one: 'Dude, how was that girl last night?'
Dawg two: 'She was great, we fucked all night! So when she got her morning after pill, I got my morning-after-girl. And that just got me up nd runnin' again, dawg.'
by Sidney&Henry April 2, 2008
Get the morning-after-girl mug.