ガバガバoversized (clothing), baggy, rolling in (of money), (profiting) greatly, sloshing (e.g. of water), gushing

この服(ふく)はサイズが大(おお)きくてガバガバです。

This clothing is oversized and baggy. {oversized (clothing), baggy, rolling in (of money), (profiting) greatly, sloshing (e.g. of water), gushing}

プラスチック容器(ようき)の中(なか)で水(みず)がガバガバと音(おと)を立(た)てている。

Water is sloshing around, making noise in the plastic container. {oversized (clothing), baggy, rolling in (of money), (profiting) greatly, sloshing (e.g. of water), gushing}

株(かぶ)で成功(せいこう)して、じっとしていてもお金(かね)がガバガバ入(はい)ってくる。

Having succeeded in stocks, even if I just sit still, money keeps rolling in. {oversized (clothing), baggy, rolling in (of money), (profiting) greatly, sloshing (e.g. of water), gushing}

ガバガバな服(ふく)を着(き)ているせいで、彼女(かのじょ)の体(からだ)は余計(よけい)に小(ちい)さく見(み)えます。

Because she is wearing baggy clothes, her body looks even smaller. {oversized (clothing), baggy, rolling in (of money), (profiting) greatly, sloshing (e.g. of water), gushing}

お酒(さけ)をガバガバ飲(の)むような健康(けんこう)やお金(かね)に無頓着(むとんじゃく)な人(ひと)とは一緒(いっしょ)に生(い)きていけない。

I can't live with someone who is indifferent to health and money, and drinks alcohol like water sloshing around. {oversized (clothing), baggy, rolling in (of money), (profiting) greatly, sloshing (e.g. of water), gushing}