look up any word, like cleveland steamer:
 
1.
The band famous for the hit song "First Grade Love"
look up "megasex first grade love" on Youtube
by Xtreme2252 August 13, 2009
 
2.
A big dick, a creamy vagina -- megasex.
Chris and Courtney had severe megasex last night.
by cjwright79 August 06, 2006