1 definition by ScottRobot

Over the counter eye drops from Japan, however when used as a verb it means to "smoke marijuana." It can be used when talking about wanting to smoke, during the act of smoking, or after you've recently finished smoking.
"Hey do you want to go to the park and Rohto"
"Someone buy a Dutch for the Rohto session"
by ScottRobot June 06, 2007
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