חפשו מילה כלשהי, כמו porb:
 
1.
To hit someone or something with your penis.
"What sound does a tankslap make? DONG!"

"Man, if she does that to me one more time, I'm gonna tankslap that whore."
מאת Stovaa 7 בדצמבר, 2007
 
2.
The fine art of slapping one's "semi" off one's stomach to impress one's annoyed girlfriend. Also works with gay boys, apparently
I tankslapped and she was not impressed. Pah.
מאת The real Jeffers 4 באוגוסט, 2006