The seed has been planted when a well-planned, much-needed night in is mentally rejected.
The seed is usually planted on a Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
If the bad influencer has succeeded in persuading the group to 'sack off' their responsibilities, i.e. lectures, deadlines, group meetings, one may exclaim 'The seed has grown into a tree'
Anna: So, tomorrow we reconvene at my house for an all-day no distraction group meeting!
Laura: I want to go to Oceana to seek out some Spice Boys
Mel: DON'T PLANT THE SEED!
Tash: It's already grown into a tree, don't fight it.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.