tongue sucking

Shark Tank’s smartest and most successful investment. When one person sticks out their tongue and the other person sucks on it like a penis. Teeth are a sometimes.

Me and my girl was tongue sucking each other then I woke up the next morning pregnant

Suck Sacks

Either of two protuberant milk producing glandular organs situated on the front of the chest of the human female.

"Damn, That bitch has some big Suck Sacks!"

Gacha sucks

Worst game

Gacha life sucks they sucks gacha sucks

suck the bucket

An all purpose term that can be verb, insult, expletive, etc. that means anything really. Its all about context.

"I just got a speeding ticket"
"Well that sucks the bucket"
or
"Go suck the bucket"

suck face

to make out intensely

I gave my husband some suck face when I got home from work.

roblox sucks

A true statement, sadly that it had to come to this

Person 1: Roblox sucks

Person 2: Why does it suck

Person 1: The games are not very fun and filled with rampant overmonetization

sucking diesel

Said when you're not just feeling OK, but feeling great!
Pioneered by Colin Murray & Edith Bowman on BBC Radio 1, UK.

How are you?
I am sucking diesel!