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2.
The act of shooting ones load into the oraface or hole of anothers body, thus the term "internal."

Often done vaginally,(the best) also possible anally, thats where you get shit-dick and also inside of a girls mouth where robin spits (maiden name swallows) got her last name from (austin powers 2)
1. Ya bobby shot it up all in her that night and got it good 3 weeks later with that damn + sign still burned into his eyes.
2. ya they now will forever called him shitdick ever since the day he fucked that dirty little slut (who never whipes) in the ass had a little internal cumbustion which got them some both nasty infections, that made it so that little slut couldnt shit right or little bobby fuck right for a week.
3. Ya they took that little slut from above back to the hospital to get her stomach pumped when it was found that she had swallowed cause both her holes were plugged from fucking around.
by MK March 21, 2005
 
1.
the act of ejaculating white fluid into a partners anal core and/or vaginal hole
mike southwood took too many giagantic internal cumshots when he was taking a shower in the gay gym
by jobodaho January 24, 2004
 
3.
made when you squeeze the tip in hopes of making less of a mess before someone walks in on you rubbing your bone phook very painful
well it seems last night you caught me spankin it -- then i had an internal cumshot
by _Dr. Evil February 14, 2003