• to strike two things together
• to huddle over a piece of work, to huddle through a piece of work, to improvise
• to shuffle through a task
• to knock off an article in half an hour
• clash, clashing, hit, hurtling
• to bump, to cannon, to clash, to collide, to conflict, to crash, to crash into sg, to foul, to hurtle, to impinge on, to jostle, to shock, to smash
• bump, clash, clashing, collision, concourse, conflict, cope, dash, encounter, hurtling, interference, interfering
• to collide with sg, to hurtle into sg