Fermions have half-integer SPIN.
The Big Bang Theory Season 8, Episode 1
Or are you forgetting
when the Spin Doctors
The Big Bang Theory Season 12, Episode 5
And reverse the SPIN
on the antiproton...
The Big Bang Theory Season 5, Episode 7
Then simply sit, SPIN, stand.
The Big Bang Theory Season 10, Episode 13
Bosons have integer SPIN.
The Big Bang Theory Season 8, Episode 1