Gilbo 

A rude boy with very bad taste in clothes and music.

Yooooooooooooooh Gilbatron you rude boy

Gilbo by Tom January 5, 2005

gilbo 

the owner of a hair style similar to those of john travolta and elvis costello.

gilbo has a pure back comb he looks like john travolta.

gilbo by ry89 June 15, 2007

Gilbo 

The act of screaming death metal early morning at random strangers from a car whilst intoxicated (usually those standing at a bus stop)

He absolutely gilbo’d those bus wankers

Gilbo by NoodleJ October 5, 2021

Gilberting 

The distorted audio sound that occurs when one has connectivity or performance issues during live streaming or video recording. It was named after JS Gilbert, a Live Streamer who often had this issue and thus, became known for it. People all over the web now use this term.

"Excuse me, can you please refresh your browser? You're gilberting."

"I tried to stay and listen but he was gilberting so badly, he was hurting my ears."

Gilberting by AngelHillTV August 25, 2016

Gilbird 

The most awesome bird in all of existence. (As claimed by Gilbert Beilschmidt)

A small yellow chick.

(From Hetalia)

Gilbird likes to splash in beer.

Gilbird by Arthur Kirkland (Likes Tea) June 18, 2010

Gibbo 

AKA Gibbsy. A cold hearted coward with too many secrets

A: Gibbo!
B: Gibbsy!
Girls: ooooh I've heard about him!

Gibbo by GirlCode2022 September 18, 2023

Brian David Gilbert 

A gorgeous twink of a man who works for Polygon.com. He is known for his absurdist humor and brilliant fashion sense; one of these gave him his current job, and the other one secured it. He currently hosts a series on the Polygon Youtube channel called "Unraveled", where he rambles about games and such.

Often acronymized as BDG.

"Brian David Gilbert hosts Unraveled, whose namesake can related to my clothes upon seeing him."
"wait, BDG is hot in real life too?" - Anonymous Tumblr user.

Brian David Gilbert by briamgilbert April 15, 2019