Jell-O head 

When a sexual partner who is bad at oral sexs puts red jello(specifically) in their mouth before giving head

Damn bitch! You needa give that Jell-O head!

Jell-O head by aldini-thegreat April 2, 2019

jello head 

The day after u roll or trip.
when your head feels like mush.

E-tard 1- dude i shouldn't have tripped last night, i feel weird like jello

E-tard 2- dude your a jello head.

jello head by bby hydro February 16, 2009