When a woman lays on her stomach in bed and pleasures herself.
"I thought my girlfriend was asleep but when I heard her moan I knew she was belly bashing"
When, whether due to overly-restrictive clothing, uncomfortably low temperatures, or the use of stimulants, a man's penis retreats almost entirely into his body. In extreme cases it's possible for even an uncircumcised male's member to completely disappear from view, leaving only the outer skin of his penis bunched up like the neck skin of a turtle hiding its head in its shell.
"Man, these running short are too tight. When I got to the bathroom it took me a minute to take care of the bashful turtle so I could take a leak."
"I swear I'm never hooking up on a ski trip again. When his pants came off all you could see was his bashful turtle."
The act of vigorous female masturbation
"How's your sex life going Stu?"
"Pretty good thanks, though the missus might not agree, came home last night and she was bashing the meat"
When a man is engaging in intercourse and his penis loses it's erection and rapidly softens.
The date went really well, but when we got back to my place he got all bashful banana on me.
A fighting technique that involves using downwards smashing with the side of the fist like a monkey would.
Michael:”He beat that kid up”
John:”Those monkey bashes were dangerous”
The act of discussing someone's sex life behind their back. Similar to kiss and tell.
I'm not one to bed bash, but Adam is so shit in the sack, we fucked for 2 hours and I never came. smh.
An almost violent expression of passion committed by a woman on her man..
Tom... What is wrong with Scotty? He looks damaged!
Patty... He’s fine, Jenny bash fucked him last night and he’s a little tired