A fork of Rural Dictionary
To beat unmercifully
"Nigga, I thrapped ma belt all up in that wanksta's mouth good."
Slang; from lesbians in the military who have competitions to see who can last longest, the word comes from the sound made by several ladies masturbating at the same time.
The sound of the cadets thrapping in their bunks could be heard across the base.
"Thrapping" Adj. : Rapping (a form of ethnic poetry with an instrumental backing or Acapella) done by one who resembles a thumb.
Wow Man! Check out Liza's "Thrapping" it's off the chart!
A back handed swat at the groin region.
In jest, he leaned forward and thrap-sacked him on the football field.