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2.
a term used when in agreement, also a replacement for yes
Are you a baller? Haho
by Haho December 17, 2005
 
1.
military acronym for High Altitude, High Opening
soldiers do this to carefully plan their approach by parachute. they are dropped from the plane at a high altitude, i.e., 30,000 or 40,000ft. and open the parachute right after they exit the plane
they can fall for as long as 2 or more hours this way
the soldiers infiltrated the base while avoiding radar by going in with HAHO
by frodo February 28, 2005
 
3.
Acronym for Happy Hour.
Dude, HaHo in soma after work they got 10 for 1 buttery nipple shots @ krunk n krash's?
by grish October 14, 2013