when a male's penis is so small that the person giving him a handjob has to make a handgun symbol with their hand and use only the pinky and ring finger to jack them off.
"Oh my gosh, Todd's dick was so small I had to handgun him!"
ayon kay spingenogbe ika-25 ng Abril, 2010
1 more definition
Someone's hand when they are trying to imitate a gun by making a fist, sticking one thumb in the air and pointing the index finger forward. Hand guns are frequently associated with ice grilling and mock shootings.
He shot at me with his HAND gun!
ayon kay ice grilled cheese ika-03 ng Enero, 2005