The action of locking the top bolt (contractor's lock) to prevent entrance of room mates and/or other uninvited guests whilst "flickin/jackin it" on your lunch break. Not doing so could result in either the awkward "OMG! YOU SAW MY JUNK!" or the always plainful blue bean/blue balls (see Blue Bean)
"Thank sweet baby Jesus i was top bolting whenever Christa came home or she would have walked in on me right as i was about to bleach the sheets!"
by Shae Baby July 11, 2008
The Urban Dictionary Mug
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