What is Say Swear To God!?
1.
exclamation said in response to being told something super awesome you are hesitant to believe.
theodore: ...and then she just straight up grabbed my d*ck in the middle of the lecture!
chadwick: say swear to god!
theodore: *holds hands up to show that no fingers are crossed* swear to god! she just grabbed my sh*t!
See
