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2.
improper disposal of biohazardous material, esp. in rivers or at gas stations.
Kara: This red bag of bio hazard was left at the ambulance station. I'm going to write you up for a hapos violation.

Peter: I quit
by EMT69 April 27, 2008
 
1.
a high ass piece of shit; one who smokes a lot
wow man, you have been smoking a lot lately, you damn hapos
by Peder Peter April 08, 2008