1. When two or more people of the same gender participate in close relations in public
2. A sweet band
Sarah: Hey....let's go inside together alone

Julie: Okay sounds like a good idea!

Paul: WOW, Liza. Those two are making a homo explosion. Let's leave.
by mspoopydiaper June 16, 2010
Someone who has a large amount of gayness in their body and mind equivilent to a house packed with gay people
1.Dude if u keep wearing that dress then your a homo Explosion cause only the first five times were funny,now you just look gay

2.That guy is acting like a homo explosion because he wont stop wearing that rainbow hoody
by Nathalio James March 02, 2009

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