Covered thickly or gaudily; excessively ornate or over-the-top in appearance or decoration.
そのケーキはチョコレートでゴテゴテに飾られていた。
That cake was gaudily decorated with chocolate.
ゴテゴテしたアクセサリーは彼女のシンプルな服には合わない。
Gaudy accessories don't match her simple clothes.
壁に塗料がゴテゴテと付いていて、掃除が大変だ。
Paint is thickly smeared on the wall, so cleaning is going to be difficult.
To complain or nag on and on; excessively and tediously continuing complaints or remarks.
彼はミスについてゴテゴテ文句を言い続けた。
He kept on complaining about the mistake endlessly.
そんなに細かいことをゴテゴテ言われるとやる気がなくなる。
If you nitpick me like that and go on and on, I lose motivation.