put or let something down quickly or briefly in or into (liquid)

he dipped a brush in the paint

put a hand or implement into (a bag or container) in order to take something out

Ian dipped into his briefcase and pulled out a photograph

sink, drop, or slope downwards

the sun had dipped below the horizon

the road dipped down to the bridge

miss an opportunity; fail

pick (someone's pocket)

leave

you wanna dip but don't wanna be rude so you just keep nodding

they said their hellos and dipped out early