Full Dingle

First Coined in the last segment of S5E3 of Key and Peele
Used when you are going to do something really cool/be the coolest person around
For instance if you were at a party, and you're going to start dancing

'Imma jump in this party full dingle'
'Dayum, he gonna do some amazing shit up in here'

in full swing

at the climax, or busiest time, of an event.

The party was in full swing.

Full Send

To go all out, not caring at all about the consequences.

Ethan: bro let’s go pretend to work at apple and just fuck with them
Jon: fuck let’s just go FULL SEND

Full Retard

Phrase used by Robert Downey Jr.'s character in the movie Tropic Thunder. Referring to when an actor playing the mentally retarded goes all out leaving the viewer unable to connect.

Sean Penn went Full Retard in I Am Sam

Full counter

Full counter is a magical move from the anime series 7 deadly sins or nanatsu no taizai used by the character Meliodas, the magical ability Full counter can deflect all magical attacks double the power back to the person who attacked him, but full counter has some flaws, you cannot use Full counter when the enemy does not show the timing of their attacks and you can only reflect Magical abilities

HELLBLAZE, FULL COUNTER!, AARRHHHHHHH

Full Gay

Saying "Full Gay" is an obligatory response for anything that goes above and beyond the realm of normal gayness. The love between two men is pretty damn excruciatingly gay, but the love between a man and a woman is Full Gay.

Bro: You know in Mexico it's not gay if you're pitching.
Me: Ga-
Bro: But I'd rather catch anyway.
Me: FULL GAY!

full-fromp

completing a given task with extreme vigor.

That guy in that big white Chevy with a cowl induction hood was full-fromp when he passed me.

or

I'm full-fromp.