V.; to drill holes and place anchors during a mountaineering ascent, especially conventional masonry anchors, as opposed to improvised anchors; to ascend a climb in poor style, through the excessive use of drilled anchors.
Mike: ahh! Wtf get out of here
Samuel: were u....wacking off?
Mike: shut up I was only bolting
Also used in snowboarding when a trick is landed super clean.
If you see someone stomp something with zero sketch factor, yell "BOLTS!"
Johnny: "Oh my god that was the cleanest switch nosepress ever!"