On HK guns the charging handle can be locked up in a little notch. When you "slap" the handle back down it loads a bullet in the chamber. Hence the term HK slap.
When you HK slap a wal-mart airsoft mp5... the handle will break off.
by The Fig Newton Monster March 02, 2008
5 Words related to HK slap

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×