Gaga and Weak knees

Gaga adjective - Having or showing a very abnormal or sick state of mind.

Weak knees and gaga are semantically related In some cases you can replace phrase "Weak knees" with "Gaga", this terms are similar.

Gaga and weak knees are semantically related in dazed topic. Sometimes you can use "Gaga" instead an adjective phrase "Weak knees", if it concerns topics such as dizzy, light-headed.