Lurker/Lurk -A player who is roaming around independently of his team, usually to surprise the enemy.
Anchor Player - Someone who is left alone on the site with the sole goal of holding it for as long as possible to buy time for his team to rotate.When you know maps well, and someone says "Heaven!" you should focus on a position you know is above ground level. Heaven/Under Heaven - Heaven is a term CS:GO players use for an elevated area on the map.This is usually done only when the situation requires. Rotate - Leaving the area you're attacking/defending, and going to another part of the map.Stack - Means to stay together and focus on one bombsite in order to have better chances when you are behind (on eco/save rounds).Default Plant - Every map will eventually have the most common spots for planting.Safe plant - Planting a bomb from a safe position, so that enemy can't see you easily.Plant for (something) - To position the bomb in a way that it can be easily defended from a specific point on the site.Stick the bomb - When you start defusing the bomb and keep defusing, while your teammate is covering you.Tap the bomb(fake defuse) - When you start defusing the bomb, but then you quietly go away from it (don't make footsteps), so that enemy thinks you are still on it, which allows you to kill them by surprise.Glass cannon - When you buy an expensive and powerful weapon, but you don't have money for Kevlar/Helmet.Exit frag- Killing an enemy after the bomb has exploded, to hurt their economy in the next round.Tank- A player who buys Kevlar and teammate gives him a strong gun.Drop me - Your teammate asks you to buy him a weapon.Thrifty - Winning an Eco/Full Save round.Force Buy - When you spend all your Creds even if you don't have enough Creds, because the situation requires that.