2 definitions by Me llamo Jonas

Another way to say that a girl has giants boobs.
The First letters form DD
or Double D's

When somebody stops u from getting some action. It could be as mild as stopping your friend from talking to the opposite gender, to as severe as stopping you from getting a handjob in the woods. Also: a nickname given to one (such as katie or anthony) who continuosly dblock without realizing it.
Known as cock block also