Any sexual activity that results in skin clapping and flopping around. Primarily but not limited to balls banging against ass.
Do hear that? Sounds like they are beatin cheeks in the room next door.

Man that Chet fella is a real cheek beater, everytime I talk to him I can hear beating cheeks.
by Las Vegas Tripod March 13, 2011
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Sexual intercourse when you are penetrating so deep and so hard you are trying to dent her cervix. Beating her guts from the inside during sex.
"How did you get that Rolex?"
"If you're beatin guts right, your sugar momma will take care of you."
by crazysandman September 19, 2005
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Excessive movement of a well endowed male member inside a woman's puss, resulting in internal bruising , torn labia, bleeding conch, and in rare cases, pregnancy.
While we were standing at attention for three hours, sweating our balls off, Ralph was in Bakersfield, beatin guts.
by Thomas Winchester June 23, 2006
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Synonymous with "spanking the money" or "choking the chicken". A reference to human male masturbation, or self gratification, via manipulation of one's own male genitalia. Based on either a reinterpretation, or misinterpretation, of the Ramones' classic hit song "Cretin Hop". Most likely to be used by a person who identifies with "punk-rock" or is in fact a "punk-rocker". Punk-rocker is a term used in the Ramones' classic hit song "Sheena Is A Punk Rocker".
1) Dude, that lap-dance was so hot and heavy, I think he's in the bathroom beatin' on the cretin right now.

2) My roommate has porno mags all over his room. I always knock on the door, cuz I don't wanna get post traumatic sex disorder from catching him beatin' on the cretin.
by JJ. Styles February 16, 2012
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A method in GTAW welding when you have no gap and you need a full penetration weld and you move your rig hand's elbow back and fourth like your swatting Mosquitos
That root gap was so tight on that fit I had to do some skeeter beatin on over half the weld.
by Psycho jake creations November 18, 2014
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Excessive movement of a well endowed male member inside a woman's puss, resulting in internal bruising , torn labia, bleeding conch, and in rare cases, pregnancy.
While we were standing at attention for three hours, sweating our balls off, Ralph was in Bakersfield, beatin guts.
by Thomas Winchester June 23, 2006
Get the beatin guts mug.