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1.
an unemployed person that has a habit of dropping by without calling first
Phil always seems to bumdrop when it's dinner time! Every time we score some good weed, that David guy bumdrops!!
Por Elle T & Daniel M (superdog) 07 de octubre de 2011
 
2.
The act of taking hard drugs via inserting them into your anus for immediate pleasure.
I love it when my boyfriend and I go to brighton and bum drop some squizz.
Por squizzyboy 04 de septiembre de 2008
 
3.
The act of putting a narcotic pill up ones rectum.

Derives from suppositories used in the medical profession.

An act usually performed by bummers, themselves.
Dan did a double bumdrop with two E's last week.
Por AndyM 13 de agosto de 2004
 
4.
When you have beer cans left over from a party and you drop them off at the nearest dumpster for the bums.
Dude we got to do a bum drop.
Por Jer Clark 04 de abril de 2008