When a seal is banging you and you poop out a baby. then the seal hits it in the head with a shovel, then hits you in the head with a shovel for being a stupid human. Then continues to bang you and when it is done poops in/on you.
Nathan- "Hey, have you seen Dom lately? He hasn't come over in like three weeks."
Wade- "I saw his car at home yesterday."
Nathan- "Hmmm.... I guess he's too busy to hang with us."
Wade- "Nah man, he's probably just been log twobbling."\
Nathan- "Gross...."
Wade- "How is doing nothing gross?"
A euphemism for self gratification, particularly for females. 'Two' meaning 'using two fingers to pleasure oneself' and 'bing' meaning 'if you hit the spot just right, it goes BING!' (as in, a buzzer in a game show).
verb; dwindling of the penis between fingers after vigorously rubbing it in with maple syrup while simultaneously rubbing gold bond around your belly button.