What is Eiffeltower?
1.
The act of double teaming a girl in which two guys are standing up while giving each other a high five!
Kirb and Brandon just eiffeltower'd Sammy! Saweeeet!!!
See
2.
getting a boner in a public place
Hey Melvin, will you go up to the board and do #16 instead of me, i think I'm gettng an eiffeltower.