The act of pulling out someones tie so it is on the outside of that persons jumper/coat.
1) Reach out to a person you are speaking to or around
2) Pull out their tie without them being able to stop you
3) Say "Top Shop"
4) Laugh at their slight annoyance as they put their tie back in
*pulls out Jake's tie with amazing speed*
<Jake> You Dick
*Puts tie back in*
*Pulls out tie again*
<Jake> Dick!!!! Stop topshopping me