the sound a man makes when he pics'. when a man does not know what is, he thinks of something to do and it is usually of the pic'ing nature. blah-thup is a term used to say, "hey man! i caught you pic'ing!"
James caught adam in the midst of a pic' and yelled "blah-thup".
Prices shown in USD.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from email@example.com. We'll never spam you.