Top Definition
A person that has a high chance of stealing your girlfriend or boyfriend
wow i don't wont my girl hanging around with that guy his such a loppas
by yddap January 06, 2017
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A friendly greeting, synonym of hi or hello. In agreement with great excitement and joy. A screech of excitement. A useless word to say just for the sake of saying it. Usually said in three octaves above the soprano voice range.
Loppa!!

Loppa Gangnam Style Sonahaie!
by Jesu Jevu January 11, 2013
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